What does it mean when an RLC circuit is at resonance?

172 views
by

2 Answers

Answer :

It means that the capacitive reactance and the inductive reactance are equal in magnitude but nullify the effect of each other, as they oppose each other. In this condition the impedance of the network would be equal to the resistance. 

Like 0 like
by

Answer :

When the total impendance equals  supply frequency.
Like 0 like
by
by
Means?

Please log in or register to answer this question.

Related questions

272 views
In parallel RLC resonance circuit at resonance the current will be

Description : In parallel RLC resonance circuit at resonance the current will be  (1) Minimum (2) Maximum (3) Zero (4) Infinite

Last Answer : In parallel RLC resonance circuit at resonance the current will be Minimum 

1 answer
146 views
A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Description : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

Last Answer : A parallel RLC circuit has the node equation Determine v(t) using the phasor method.

1 answer
127 views
The loop equation for a series RLC circuit gives

Description : The loop equation for a series RLC circuit gives

Last Answer : The loop equation for a series RLC circuit gives

1 answer
246 views
In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage

Description : In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C?

Last Answer : In an ac series RLC circuit, the voltage across R and L is 20 V; voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C? 7 V

1 answer
2.1k views
A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC

Description : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the

Last Answer : A DC voltage source is connected across a series RLC circuit. Under steady-state conditions, the applied DC voltage drops entirely across the C only

1 answer
1.4k views
In a series RLC high Q circuit, the current peaks at a frequency

Description : In a series RLC high Q circuit, the current peaks at a frequency  (1) equal to the resonant frequency (2) greater than the resonant frequency (3) less than the resonant frequency (4) equal to half the resonant frequency

Last Answer : In a series RLC high Q circuit, the current peaks at a frequency equal to the resonant frequency

1 answer
1.2k views
In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

Description : In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of?

Last Answer : In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of L or C.

1 answer
315 views
Magnitude of current at resonance in R-L-C circuit?

Description : Magnitude of current at resonance in R-L-C circuit?

Last Answer : The current will be maximum if it is a series rlc circuit.

2 answers
1.0k views
The power factor at resonance in R-L- C parallel circuit is?

Description : The power factor at resonance in R-L- C parallel circuit is?

Last Answer : since a rlc circuit at resonance behaves like a pure resistive circuit, i.e there is no phase difference between current and voltage, hence the power factor is unity.

2 answers
102 views
In a R-L-C circuit?

Description : In a R-L-C circuit?

Last Answer : In a R-L-C circuit power is consumed in resistance and is equal to I R, exchange of power takes place between inductor and supply line, exchange of power takes place between capacitor and supply line, exchange of power does not take place between resistance and the supply line.

1 answer
415 views
In a loss-free R-L-C circuit the transient current is?

Description : In a loss-free R-L-C circuit the transient current is?

Last Answer : In a loss-free R-L-C circuit the transient current is sinusoidal.

1 answer
316 views
A universal RLC bridge uses?

Description : A universal RLC bridge uses?

Last Answer : A universal RLC bridge uses Maxwell Wein bridge for measurement of inductance and modified De Santy's bridge for measurement of capacitance.

1 answer
708 views
In a circuit containing R, L and C, power loss can take place in?

Description : In a circuit containing R, L and C, power loss can take place in?

Last Answer : In a circuit containing R, L and C, power loss can take place in R only.

1 answer
264 views
The series and parallel resonance on L-C circuit differs in that?

Description : The series and parallel resonance on L-C circuit differs in that?

Last Answer : The series and parallel resonance on L-C circuit differs in that series resistance needs a low-resistance source for sharp rise in current.

1 answer
395 views
A parallel AC. circuit in resonance will?

Description : A parallel AC. circuit in resonance will?

Last Answer : A parallel AC. circuit in resonance will have a high impedance.

1 answer
3.8k views
The purpose of a parallel circuit resonance is to magnify?

Description : The purpose of a parallel circuit resonance is to magnify?

Last Answer : The purpose of a parallel circuit resonance is to magnify voltage.

1 answer
390 views
Consider the following statements with respect to a high Q, series RLC circuit under resonance

Description : Consider the following statements with respect to a high Q, series RLC circuit under resonance 1. The voltage across R is equal to the applied voltage 2. The voltage across L and C are zero 3 ... in magnitude 4. The voltage accross L and C are maximum Which of these statements are correct?

Last Answer : Consider the following statements with respect to a high Q, series RLC circuit under resonance 1. The voltage across R is equal to the applied voltage 2. The voltage across L and C are zero 3. ... The voltage accross L and C are maximum Which of these statements are correct? 1,3 and 4

1 answer
87 views
In a series RLC circuit at resonance, which of the following quantities attains maximum value ?

Description : In a series RLC circuit at resonance, which of the following quantities attains maximum value ? (A) Current (B) Voltage (C) Power (D) None of the above

0 answers
61 views
Resonance occurs in RLC series circuit when...

Description : Resonance occurs in RLC series circuit when  A) When the supply voltage and current are in phase B) When inductive reactance become equal to capacitive reactance C) When voltage across the inductor become equal to the voltage across the capacitor D) All of the above

0 answers
854 views
In a series RLC circuit at resonance, the magnitude of the voltage developed across the capacitor

Description : In a series RLC circuit at resonance, the magnitude of the voltage developed across the capacitor  A) Is always zero B) Can never be greater than the input voltage C) Can be greater than the input ... input voltage D) Can be greater than the input voltage, and is in phase with the input voltage

Last Answer : In a series RLC circuit at resonance, the magnitude of the voltage developed across the capacitor Can be greater than the input voltage, however, it is 90° out of phase with the input voltage 

1 answer
1.2k views
In an RLC parallel circuit, the impedance at resonance is

Last Answer : In an RLC parallel circuit, the impedance at resonance is Maximum.

1 answer
195 views
Briefly explain how the power factor of an inductive circuit can be improved.

Description : Briefly explain how the power factor of an inductive circuit can be improved.

Last Answer : As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit. 

1 answer
117 views
Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.

Description : Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.

0 answers
97 views
Time constant of a capacitive circuit

Last Answer : It is denoted as τ, tau and has the value of 1/RC. We

1 answer
123 views
role of tuned LC circuit in tuned amplifier.

Description : role of tuned LC circuit in tuned amplifier.

Last Answer : In order to pick up and amplify the desired radio frequency signal, the resistive load in the audio amplifier is replaced by a tuned circuit (also called a parallel resonant circuit)as shown ... desired radio frequency signal. (ii)Amplification of the selected signal to a suitable voltage level.

1 answer
82 views
State Ohm’s law for electric circuit.

Description : State Ohm’s law for electric circuit.

Last Answer : Ohms law -States that the current flows in a circuit is directly proportional to the applied voltage (V) and inversely the proportional resistance provided with the temperature main constant

2 answers
79 views
Define active circuit and passive circuit.

Description : Define active circuit and passive circuit.

Last Answer : Active circuit: Active Circuit is one which contains at least one source of e.m.f. or energy, is called active circuit.  Passive Circuit: Passive Circuit is one which does not contain any source of e.m.f. or energy in it, is called passive circuit.

1 answer
90 views
Basic Circuit Elements

Description : Basic Circuit Elements

Last Answer : Resistance ,current,voltage

2 answers
228 views
A supply of 24 V DC is applied across a circuit which consist of three resistors connected in parallel R1= 1.2KΩ, R2= 560 Ω, R3= 2.1Ω and a fourth resistor of 7.8 Ω connected in series with the parallel group. Determine the current, voltage and power across each resistor

Last Answer : Req= (1/1200 +1/560 + 1/2.1)^-1        = 2.1 ohms RT= 2.1 + 7.8      = 9.9 ohms IT = V/R = 24/9.9                = 2.4 A Veq= R I =  2.1 2 ... 7.8         = 12.096 w                 = 44.928 w _________________________________________ By: Ellis-Junior Kamatjipose [email protected]

1 answer
94 views
Compare combinational logic circuit and sequential logic circuit

Description : Compare combinational logic circuit and sequential logic circuit

Last Answer : Combinational logic Sequential logic The combinational logic circuit consists of logic gate only Sequential logic circuit consists of combinational logic circuit along with memory for storage of ... , multiplexer, demultiplexer etc E.g. counters, shift registers flip-flop etc

1 answer
473 views
What is unilateral and bilateral circuit?

Description : What is unilateral and bilateral circuit?

Last Answer : Unilateral Circuit: If the characteristic (response or behavior) of circuit depends on the direction of flow of current through its elements, then the network is called as a unilateral network.  ... the direction of current through its elements, then the network is called as a bilateral network.

2 answers
7.9k views
Describe the difference between an open circuit and a short circuit.

Description : Describe the difference between an open circuit and a short circuit.

Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit

3 answers
256 views
List three important characteristics of an electric circuit.

Description : List three important characteristics of an electric circuit.

0 answers
100 views
Explain why potential difference is necessary to produce current in a circuit.

Description : Explain why potential difference is necessary to produce current in a circuit.

0 answers
74 views
Series circuit rules

Description : Series circuit rules

Last Answer : Series circuit rules

1 answer
92 views
Parallel rc circuit

Description : Parallel rc circuit

Last Answer : Parallel rc circuit

1 answer
86 views
Parallel circuit rules

Description : Parallel circuit rules

Last Answer : Parallel circuit rules

1 answer
97 views
Source free RL circuit 8

Description : Source free RL circuit 8

Last Answer : Source free RL circuit 8

1 answer
76 views
Source free RL circuit 7

Description : Source free RL circuit 7

Last Answer : Source free RL circuit 7

1 answer
2.6k views
Source free RL circuit 6

Description : Source free RL circuit 6

Last Answer : Source free RL circuit 6

1 answer
76 views
Source free RC circuit 2

Description : Source free RC circuit 2

Last Answer : Source free RC circuit 2

1 answer
103 views
Source free RC circuit 3

Description : Source free RC circuit 3

Last Answer : Source free RC circuit 3

1 answer
73 views
Source free RC circuit 4

Description : Source free RC circuit 4

Last Answer : Source free RC circuit 4

1 answer
69 views
Source free RC circuit 5

Description : Source free RC circuit 5

Last Answer : Source free RC circuit 5

1 answer
78 views
Source free RC circuit 6

Description : Source free RC circuit 6

Last Answer : Source free RC circuit 6

1 answer
78 views
Source free RC circuit 7

Description : Source free RC circuit 7

Last Answer : Source free RC circuit 7

1 answer
73 views
Source free RC circuit 8

Description : Source free RC circuit 8

Last Answer : Source free RC circuit 8

1 answer
74 views
Source free RL circuit 1

Description : Source free RL circuit 1

Last Answer : Source free RL circuit 1

1 answer
87 views
Source free RL circuit 2

Description : Source free RL circuit 2

Last Answer : Source free RL circuit 2

1 answer
77 views
Source free RL circuit 3

Description : Source free RL circuit 3

Last Answer : Source free RL circuit 3

1 answer
...