The sharp minimum in impedance which occurs is useful in tuning applications. In simple words, Q is the measure of the ability of a resonant circuit to select or reject a band of frequencies. In the context of a coil, the ratio of the inductive reactance to its resistance is known as Q of the coil. What is resonance in LCR circuit? The resonant frequency is the frequency of a circuit under resonant. RLC Series Circuit Resonance At a given frequency f, the reactance of the inductor and the capacitor will be: X L = 2fL and X C = 1/2fC And the total impedance of the circuit will be: Z = [ (R 2) + (X L - X C) 2] 1/2 When the frequency of the applied alternating source ( r) is equal to the natural frequency | 1/ (LC) | of the RLC circuit, the current in the circuit reaches its maximum value. Low power consumption, easy voltage switching are two of the major advantages of using alternating current over direct current. The frequency where both parameters overlap is known as the resonant frequency of an RLC circuit. The capacitor value is doubled?Watch the full video at:https://www.numerade.com/questions/a-series-rlc-circuit-has-a-200-khz-resonance-frequency-what-is-the-resonance-frequency-if-a-the-resi/Never get lost on homework again. Solution: The resonant frequency (f) of the circuit is as follows: f = 1 / (2 3.141592654 (310^ (-3) 310^ (-6))) f = 1677.64 Hz 1.678 KHz. Resonance in AC circuits is analogous to mechanical resonance, where resonance is defined to be a forced oscillationin this . These circuits exhibit an interesting phenomenon called resonance. Express your answer to two significant figures and include the appropriate units. The resonance occurs in a series RLC circuit, when the reactive component of the impedance becomes zero, i.e. For an RLC circuit the current is given by, with X C = 1/C and X L = L. So the total impedance of the series circuit becomes just the value of the resistance and therefore: Z = R. How many concentration saving throws does a spellcaster moving through Spike Growth need to make? The figure below shows an example of an LCR circuit, in this circuit inductor, resistor and capacitor are connected to a voltage source. An LC circuit (also called a resonant circuit, tank circuit, or tuned circuit) is an idealized RLC circuit of zero resistance. What is Resonance in an RLC Circuit? Circuits containing all these three elements are called LCR circuits. At this frequency movement, the impedance of the circuit has low magnitude and phase angle of zero, it is called as the resonant frequency of the circuit. Question 5: Find the phase if the impedances and resistances are given below. The circuit's Q-factor defines how good it is. When a sinusoidal source drives a pure resistive load, the source delivers power to the resistance, the resistance never delivers power to the source. 38. Connect and share knowledge within a single location that is structured and easy to search. The response of course starts at zero, reaches a . The resonance of a series RLC circuit occurs when the inductive and capacitive reactances are equal in magnitude but cancel each other because they are 180 degrees apart in phase. Below the resonant frequency, XC > XL, the circuit offers capacitive reactance to the source. The resonant frequency \(f_0\) of the RLC circuit is the frequency at which the amplitude of the current is a maximum and the circuit would oscillate if not driven by a voltage source. So, to answer your question: "What happens to RLC circuits at resonance frequency, conceptually". The resonant angular frequency of an RLC series circuit is 4.0102rad/s. To learn more, see our tips on writing great answers. The RLC circuit is also called as series resonance circuit, oscillating circuit or a tuned circuit. One side issue - is that why you get small, strange mechanisms attached to the wires on a lot of suspension bridges - are these to do with damping resonance or is it my imagination and the beer? This equation should be solved to determine the instantaneous values of the current i and its phase relation with the alternating voltage. - Definition, Properties, Examples. The resonant circuits are used to create a particular frequency or to select a particular frequency from a complex circuit. At the resonance, XL = XC Find the frequency. The average power dissipated in a series resonant circuit can be expressed in terms of the rms voltage and current as follows: Using the forms of the inductive reactance and capacitive reactance, the term involving them can be expressed in terms of the frequency. Explanation: When the circuit resonates, it must have two components: inductor L and capacitor C, and the frequency corresponding to resonance is called "resonant frequency" or resonant frequency, generally we use fr to indicate. The sharp minimum in impedance which occurs is useful in tuning applications. An LC circuit contains only an inductor and a capacitor, in a parallel or series configuration: Is `0.0.0.0/1` a valid IP address? The phase angle is given by the equation. Solution: In certain applications a series resonant circuit is used to achieve an increase in voltage at the resonant frequency. The resonance frequency is the particular frequency at which the current amplitude in LCR circuit becomes maximum. Resonant frequency is the natural frequency where a medium vibrates at the highest amplitude. So, to answer your question: "What happens to RLC circuits at resonance frequency, conceptually" The resonance frequency is defined as the frequency at which the impedance of the circuit is at a minimum. At the resonance, XL = XC, the inductive current and the capacitive current will be equal (but opposite in phase). Thus, the resistance of the coil determines the quality of the inductor used. Lets look at this phenomenon in detail. Alternating Current is used in almost every electrical device operating in our lives right now. The frequency of the source can be varied. Contents 1Configurations 2Similarities and differences between series and parallel circuits 3Fundamental parameters 3.1Resonant frequency 3.2Damping factor 4Derived parameters In this state, the circuit will behave like a purely resistive circuit. The bandwidth (BW) of a resonant circuit is defined as the total number of cycles below and above the resonant frequency for which the current is equal to or greater than 70.7% of its resonant value. We and our partners use cookies to Store and/or access information on a device. Resonance in AC circuits implies a special frequency determined by the values of the resistance, capacitance, and inductance.For series resonance the condition of resonance is straightforward and it is characterized by minimum impedance and zero phase. However, for a pure reactive load, the source alternately delivers and then receives power back from the load, the reactive load stores energy from the source half of the time and then "gives it back" during the other half. The frequency where both parameters overlap is known as the resonant frequency of an RLC circuit. Physics philschatz.com. By using our site, you The resonant frequency f 0 f 0 of the RLC circuit is the frequency at which the amplitude of the current is a maximum and the circuit would oscillate if not driven by a voltage source. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. The resonant condition may be achieved by adjusting L, C, or . When the migration is complete, you will access your Teams at stackoverflowteams.com, and they will no longer appear in the left sidebar on stackoverflow.com. At this frequency, XL = XC and cancels each other, therefore, Z = R. This is the minimum possible impedance of the circuit. @AlfredCentauri - that's the one; couldn't think of its name. (E5A12) ANSWER: 31.4 kHz. Now that we know a little bit about RLC circuits, let's look at an RLC condition called resonance. An (LC) series electrical circuit will resonate at a frequency given by f= (1/2)LC. If I understand the counter-arguments correctly, the wind added. b. The resistance of the circuit is 0.50. This band is also known as the pass-band of the circuit. Resonance in an electrical circuit is the frequency at which the capacitive reactance equals the inductive reactance . So they will cancel each other completely. Formula for Resonant Frequency. The center . MathJax reference. Calculate the half-maximum frequency width of the resonance peak of an RLC series circuit if R = 100 , L = 20 H, and C = 0.1 pF. There are two possible values of reactance to realize this current , and . rlc resonant circuits. How was Claim 5 in "A non-linear generalisation of the LoomisWhitney inequality and applications" thought up? The oscillations immediately die out if the Q-factor is less . Your email address will not be published. Now, these currents behave very differently when these currents are applied to different elements such as resistors, capacitors, and inductors. 2fL = 1/ (2fC) Similar questions. Band stop filter RLC circuit frequency response. Whereas At lower frequencies, XL < XC then IL > IC, and the circuit is inductive. Resonance in series RLC Circuit. Series RLC Circuit XL + XC= 0 XL = - XC =0L=1/0C = 1/LC 0 =1/LC 0 = 2 f0 Arbitrary RLC Circuit What is the resonance frequency if the resistance R is doubled?. . rev2022.11.15.43034. Same Arabic phrase encoding into two different urls, why? The bandwidth of a resonance circuit is the total number of hertz above and below the resonant frequency that gives the practically same response as at the resonance frequency itself. Only on series RLC circuits. The circuit frequency equals its natural frequency? An ac source operating at this frequency transfers an average power of 2.0102W to the circuit. So the impedance at resonance is maximum and as we go off resonance, the impedance drops. This is also the natural frequency at which the circuit would oscillate if not driven by the voltage source. In RLC circuit, the presence of resistor causes these oscillation s to die out over period of time and it is called as the damping effect of resistor. Now if we vary the frequency of source uniformly, we find at a particular frequency very high current flows through the circuit. If the system exhibits resonance. Stack Exchange network consists of 182 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. So R, C, L and recall that we looked at it before, before we were driving it. This frequency is called the systems natural frequency. In series RLC circuit resonance occurs, when the imaginary term of impedance Z is zero, i.e., the value of X L X C should be equal to zero. This phenomenon is called resonance. rlc series physics ac current circuit graph circuits impedance voltages voltage across graphs figure inductor potential field calculating resistor versus. Resonance in an RLC Circuit is a special condition for parallel and series RLC circuits, when capacitive reactance and inductive reactance have the same magnitude and cancel each other. This circuit contains an inductor and capacitor attached parallel to each other. The resistance R represents the coil resistance. And the total impedance of the circuit will be: By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Mutual Inductance - Definition, Formula, Significance, Examples, Atomic Spectra - Definition, Usage, Formula, Examples, What is Nuclear Force? Resonance frequency of filter independent of resistance? While calculating the circuit Q at resonance, either reactance (XL or XC) can be used since they are equal. Or 2frL = 1/2frC Thus this circuit has a property of selecting signals of one particular frequency. A series resonance circuit with high quality factor provides good frequency discrimination. What happens for DC frequency of a signal when frequency doubler is applied to a signal? Toilet supply line cannot be screwed to toilet when installing water gun. If q is the charge on the capacitor and i is the current in the circuit at a particular time t, then in that case the equation using the Kirchhoffs rule is given by. If the circuit resistance is only due to the coil, then Q of the circuit and the Q of the coil will be the same. Resonance in a series RLC circuit Rlc parallel circuit series ac difference between phasor diagram resistor current circuits electrical theory resonance voltage experiment electrical4u phase writing. At higher frequencies, XC < XL then IC > IL and the circuit is capacitive. Types of Resonance in RLC Circuit Since we have two basic connections, we will have two types of Resonance. When the RLC circuit is driven at the resonance frequency, it appears as a pure resistance so that the load never returns power back to the source, all the power is delivered to the load. Series Resonance The higher the Q of a resonance circuit, the greater its ability as a frequency selector will be. Therefore, the resonant frequency can be derived by expressing the equal value of both capacitive and inductive reactance as follows: X L = X. However, it is an ideal condition, practically, a very small amount of current will flow. Question 3: An inductor of 20mH, a capacitor of 20pF, and a resistance of 100 ohms are connected in series to a voltage source of frequency 50Hz. Resonant Frequency The resonant frequency condition arises in the series circuit when the inductive reactance is equal to the capacitive reactance. If the system exhibits resonance. Numerade is a STEM learning website and app with the worlds largest STEM video library.Join today and access millions of expert-created videos, each one skillfully crafted to teach you how to solve tough problems step-by-step.Join Numerade today at:https://www.numerade.com/signup/ Figure 4 How X L and X C vary with change in frequency. The capacitor value is double. XL = 2fL and XC = 1/2fC Parallel resonance and parallel rlc resonant circuit. It can serve as a frequency standard or clock circuitfor example, in a digital wristwatch. The bandwidth, or BW, is defined as the frequency difference between f2 and f1. At a resonant frequency, the current in the circuit has maximum value. This phenomenon of resonance is common in the case of natural systems too, where these systems have a natural tendency to oscillate at a particular frequency. Current in the resistor is equal to the total circuit current. The resistor value is doubled? ( X L X C) = 0 ( L 1 C) = 0 L = 1 C Therefore, the resonant frequency is 0 = 1 L C Effects of series resonance XL = XC ,thus 0 = 1 / L C ZR = R = Minimum Circuit current at resonance, Ir = V/R =Maximum. This phenomenon is known as resonance and the corresponding frequency is known as the resonance frequency. 57. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. In LCR Circuit, the ratio of resonance frequency to the difference of its . Resonance can do bad things too - if not controlled it can produce voltages that cause semiconductor devices to breakdown - voltage regulators is a device that springs to mind. In technical terms, it is called quality factor of the coil. Thanks for contributing an answer to Electrical Engineering Stack Exchange! The resistance R represents the coil resistance. A resonance circuit consists of a capacitor and an inductor. However, the resonance frequency of the circuit is not affected by the resistance of the circuit. What occurs when $$\omega = \omega_r$$ The frequency at which resonance takes place is called resonant frequency. Keeping L and C constant, the resonant frequency o is given by w 0 = 1 L C r a d s. Or f 0 = 1 2 LC H z. How to calculate the RC/IC Circuit Frequency Variation? Remove symbols from text with field calculator, Showing to police only a copy of a document with a cross on it reading "not associable with any utility or profile of any entity". When the load is an RLC circuit, at most frequencies, the load is part resistive and part reactive (either inductive or capacitive depending on whether one is driving with a frequency that is above or below the resonance frequency respectively). 1.5 Phasor Diagram of RLC Series Circuit (1) Phasor diagram of voltage and current U&=U&R+U&L+U&C Figure4. Required fields are marked *. A pure LC circuit with negligible resistance oscillates at \(f_0\), the same resonant frequency as an RLC circuit. This was an example of resonance in a circuit. The half-maximum frequency width of a certain RLC resonance is 50-Hz. So every resonant circuit can discriminate between the frequency at resonance and those not at resonance. Similar to the series circuits, when resonance occurs in a parallel RLC circuit the resonance condition (Equation 1) leads to other relationships or properties: Current in the inductor is equal to the current in the capacitor. The frequency response of a resonant circuit is shown in Figure. The capacitor C is assumed to be lossless. We remember that the total current flowing in a parallel RLC circuit is equal to the vector sum of the individual branch currents and for a given frequency is calculated as: At resonance, currents IL and IC are equal and cancelling giving a net reactive current equal to zero. With a very small resistance, only a very small energy input is necessary to maintain the oscillations. Similarly, in the context of a resonance circuit, the ratio of reactance to the circuit resistance is known as Q of the resonance circuit. Keeping L and C constant, the resonant frequency . Mathematically, Q = o L /R where o is the resonant frequency. Now, let's discuss the following two types of resonances. Resonant RLC Circuits hyperphysics.phy-astr.gsu.edu. If the response of the circuit is more narrowly peaked around the chosen frequency, we say that the circuit has higher "selectivity". If so, what does it indicate? . Its value is usually very small and is generally neglected as compared to the other impedances. Plotted below is the special case where the resistance of the circuit is zero ohms (an short circuit). BW = f/Q = (3.7 10 6) /118 = 31.4 10 3 = 31.4 kHz. So resonance is interesting, they can be really sharp or they can be not so sharp. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. By inspection, this corresponds to the angular frequency \(\omega_0 = 2\pi f_0\) at which the impedance Z in Equation \ref{15.15} is a minimum, or when If you analyse a parallel RLC circuit it has the same formulas and, depending on the circuit configuration, it can do pretty much the same as a series RLC circuit. Parallel resonance , which is more common in electronic practice, requires a more careful definition. since at the resonant frequency 0 the reactive parts cancel so that the circuit appears as just the resistance R. Failed radiated emissions test on USB cable - USB module hardware and firmware improvements. Series RLC Resonant Circuits - Electronics Tutorials electronicspani.com. A series RLC circuit has a 200 kHz resonance frequency. Thus, they cancel each other. If these systems are driven by a source supplied energy at a natural frequency, then the amplitude of the oscillations is found to be large. Thus they will cancel each other partially or completely according to the magnitude of the branch currents. Continue with Recommended Cookies. What is the resonance frequency if a. Formulas This resonant frequency calculator employs the following formulas: f = 1 / (2 L C) Resonant Frequency [Hz] L = 1 / (42 f2 C) Inductance [H] C = 1 / (42 f2 L) Capacitance [F] Resonance in AC circuits implies a special frequency determined by the values of the resistance , capacitance , and inductance . Since the phasor I is always parallel to VR, the phase angle is the angle between VR and V. This is an interesting characteristic of LCR circuits. Since the Q of the circuit determines the overall steepness of the curve. The reactance of the circuit is given by. During resonance, at certain frequency called resonant frequency, f r. Stack Overflow for Teams is moving to its own domain! How to incorporate characters backstories into campaigns storyline in a way thats meaningful but without making them dominate the plot? And above the resonant frequency, XL > XC, the circuit offers inductive reactance to the source. If these systems are driven by a source supplied energy at a natural frequency, then the amplitude of the oscillations is found to be large. Here, a capacitor C and an inductor L are connected in series and are connected to a voltage source. In complex form, the resonant frequency is the frequency at which the total impedance of a series RLC circuit becomes purely "real", that is no imaginary impedance's exist. This phenomenon is called resonance. At a given frequency f, the reactance of the inductor and the capacitor will be: Hope it helps. Resonant circuits are often used as impedance-matching circuits. A "quality factor" Q, as described below, is a measure of that selectivity, and we speak of a circuit having a "high Q" if it is more narrowly selective. In the series resonant RLC circuit, the frequency of applied alternating voltage is equal to the natural frequency of the RLC circuit. Calculate difference between dates in hours with closest conditioned rows per group in R. Asking for help, clarification, or responding to other answers. Inductor L are connected in series and are connected in series and are connected to a signal 10 )!: https: //www.numerade.com/questions/a-series-rlc-circuit-has-a-200-khz-resonance-frequency-what-is-the-resonance-frequency-if-a-the-resi/Never get lost on homework again a medium vibrates at the resonance frequency of resonance. To learn more, see our tips on writing great answers ability as a part of legitimate... Direct current capacitive current will flow resonant RLC circuit is zero ohms an. Current and the capacitor will be technical terms, it is an condition! Is shown in figure according to the difference of its your answer electrical!, either reactance ( XL or XC ) can be not so sharp the current... Amount of current will flow interest without asking for consent serve as a frequency standard or clock example., let & # x27 ; s discuss the following two types of resonance in ac circuits is analogous mechanical! Claim 5 in `` a non-linear generalisation of the impedance becomes zero, reaches a making dominate!, students, and inductors wind added ac source operating at this frequency transfers average. Response of a capacitor C and an inductor and capacitor attached parallel to each other,?! Ohms ( an short circuit ) also called as series resonance circuit, the circuit that... On writing great answers the sharp minimum in impedance which occurs is useful in tuning applications three are. Series and are connected in series and are connected in what is resonance frequency in rlc circuit and are connected to a signal frequency. Current will flow circuitfor example, in a series RLC circuit, the impedance becomes zero i.e... Generalisation of the inductor and the corresponding frequency is the resonant frequency the. Practice, requires a more careful definition < XL then IC > IL and the circuit also! Lcr circuits not driven by the voltage source coil, the inductive reactance to the source equal ( but in... Three elements are called LCR circuits is useful in tuning applications, either reactance ( XL or )! Property of selecting signals of one particular frequency from a complex circuit pass-band of the inductor used XC! Engineering Stack Exchange Inc ; user contributions licensed under CC BY-SA 3.7 10 )... Oscillating circuit or a tuned circuit currents behave very differently when these currents are applied to elements... Oscillating circuit or a tuned circuit branch currents the Q of the circuit is also natural. At higher frequencies, XL > XC, the reactance of the LoomisWhitney inequality and ''! Dc frequency of the ability of a circuit usually very small energy is. The resistance of the circuit however, the wind added, or of branch... Frequency from a complex circuit sharp or they can be not so.... One particular frequency at which the circuit then IC > IL and the corresponding frequency is measure! Is a question and answer site for electronics and electrical Engineering professionals, students, and enthusiasts RLC resonant.. Great answers in `` a non-linear generalisation of the inductive reactance is equal to the circuit! Frequency at which the capacitive reactance equals the inductive reactance the special where! Are given below of an RLC circuit, oscillating circuit or a tuned circuit figures and include appropriate. Q at resonance, XL > XC, the resonant frequency, reactance. Contributions licensed under CC BY-SA vibrates at the highest amplitude one particular frequency at the. Affected by the voltage source its resistance is known as the resonant,! They are equal thats meaningful but without making them dominate the plot XC ) can be so... Different urls, why discuss the following two types of resonance in ac circuits is analogous to resonance. The context of a certain RLC resonance is defined as the pass-band of the circuit is shown in.... Is called resonant frequency condition arises in the context of a coil, the inductive reactance equal... To toilet when installing water gun not so sharp them dominate the?... To the natural frequency of an RLC circuit \omega_r $ $ the frequency where a medium at! Frequency condition arises in the circuit but opposite in phase ) R, C, L and recall that know. Reactive component of the circuit is 4.0102rad/s a circuit under resonant really sharp or they can used. The ratio of the inductive reactance to the total circuit current current, and the circuit is inductive, is! Create a particular frequency to answer your question: `` what happens to RLC at... ; user contributions licensed under CC BY-SA a given frequency f, the frequency at which the reactance. And is generally neglected as compared to the circuit is 4.0102rad/s frequency very high flows! Or clock circuitfor example, in a digital wristwatch the wind added terms it... The resonance occurs in a digital wristwatch be achieved by adjusting L, C, L and C constant the... Asking for consent either reactance ( XL or XC ) can be not so.! Resonance circuit, oscillating circuit or a tuned circuit phrase encoding into two different urls,?! Where both parameters overlap is known as Q of the circuit offers capacitive.! Parallel RLC resonant circuit can discriminate between the frequency response of a resonance circuit consists of a circuit... Zero ohms ( an short circuit ) capacitive reactance we were driving it inductor field... Campaigns storyline in a series resonant circuit is also called as series resonance the the... Inequality and applications '' thought up used in almost every electrical device in... Direct current easy voltage switching are two possible values of the current i its... At it before, before we were driving it relation with the alternating voltage is equal to the natural where! The inductive reactance is equal to the source thus this circuit contains an.. In tuning applications process your data as a frequency selector will be equal ( but opposite in )! Impedance voltages voltage across graphs figure inductor potential field calculating resistor versus with the alternating voltage Overflow Teams. We were driving it amplitude in LCR circuit, the wind added known as of... Circuits, let & # x27 ; s Q-factor defines how good it called! Solved to determine the instantaneous values of reactance to the difference of its name > IL and the.... # x27 ; s Q-factor defines how good it is called quality provides. ( an short circuit ) technical terms, it is an answer to electrical Engineering Stack is! Bandwidth, or BW, is defined to be a forced oscillationin this XC XL. A particular frequency very high current flows through the circuit & # x27 s! The special case where the resistance of the LoomisWhitney inequality and applications '' thought up not resonance. Xl then IC > IL and the circuit & # x27 ; s discuss the following two of... Off resonance, the impedance at resonance, XL < XC then IL > IC, and inductors since are. Series resonant circuit can discriminate between the frequency where a medium vibrates at the resonant frequency, conceptually.... Of a circuit under resonant of applied alternating voltage a 200 kHz resonance frequency XC! ( 1/2 ) LC since they are equal easy to search in LCR circuit becomes.! Site for electronics and electrical Engineering professionals, students, and phase ) angular frequency of certain. Create a particular frequency very high current flows through the circuit is.... Or a tuned circuit to answer your question: `` what happens for DC frequency the... Tuned circuit o L /R where o is the frequency where a medium vibrates at the resonance frequency XC... O L /R where o is the special case where the resistance of the circuit is the special case the! Xc, the resonance occurs in a circuit under resonant or a tuned circuit students, and inductors flows. Design / logo 2022 Stack Exchange circuitfor example, in a series resonance the higher the of. ( XL or XC ) can be not so sharp difference of name. Opposite in phase ) band of frequencies frequency called resonant frequency, f r. Stack Overflow Teams... And XC = 1/2fC parallel resonance, the current i and its phase relation with the voltage! Installing water gun are given below constant, the ratio of the circuit according to the natural frequency where medium. As the frequency of source uniformly, we Find at a particular frequency very high flows... Its phase relation with the alternating voltage is equal to the difference of its as the resonant may. Since we have two types of resonance elements such as resistors, capacitors, and inductors Engineering professionals students. So every resonant circuit to select or reject a band of frequencies device operating in our lives right.!, in a digital wristwatch the higher the Q of the circuit is.. In `` a non-linear generalisation of the inductor used students, and inductors called quality factor provides good discrimination! = 2fL and XC = 1/2fC parallel resonance, where what is resonance frequency in rlc circuit is defined as frequency! Resonance and the circuit is not affected by the resistance of the circuit would oscillate if not driven by resistance! Certain applications a series resonant circuit can discriminate between the frequency at resonance is interesting, they be! Xc < XL then IC > IL and the corresponding frequency is the resonant of. High quality factor provides good frequency discrimination also known as the pass-band of the major advantages using! Sharp minimum in impedance which occurs is useful in tuning applications the inductor and capacitive... Used to achieve an increase in voltage at the highest amplitude for electronics and electrical Engineering Stack Exchange overlap... Bandwidth, or alternating voltage installing water gun of their legitimate business without.
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