Home
Class 12
PHYSICS
For an RLC circuit driven with voltage o...

For an RLC circuit driven with voltage of amplitude `v_(m)` and frequency `omega_(0)=1/sqrt(LC)` the current exibits resonance. The quality factor, Q is given by :

A

`(CR)/(omega_(0))`

B

`(omega_(0)L)/(R )`

C

`(omega_(0)R)/(L)`

D

`( R)/((omega_(0)C)) `

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A series circuit consisting of a capacitor with capacitance C=22 mu F and a coil with active resistance R=20 Omega and iniductance L=0.35 H is connected to a source of alternating voltage with amplitude V_(m)=180 V and frequency omega=314 s^(-1) . Find : (a) the current amplitude in the circuit, (b) the phase difference between the current and the external voltage , (c) the amplitudes of voltage across the capacitor and the coil.

A series LCR circuit is designed to resonate at an angular frequency omega_(0)=10^(5)rad/s The circuit draws 16W power from 120V source at resonance.The value of resistance R in the circuit is

A series RLC circuit is in resonance with a source of frequency omega_(0) = 10 MHz. The current amplitude in the circuit is I_(0) . It was found that when a different source of frequency omega=omega_(0)+Deltaomega[Deltaomega=10KHz] was used the current amplitude in the circuit was only 1% of I_(0) . Find the inductance in the circuit if it is known that resistance in the circuit is R = 0.314 Omega .

A sinusoidal voltage of amplitude 5V is applied to resistance of 500 Omega . The r.m.s. current in the circuit is