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Recent questions tagged ac-voltage-applied-to-lcr-circuit

If $L= 10\;mH,C=100\;\mu F,R=100 \;\Omega $ in a LCR circuit the value of resonance frequency is

asked Mar 27, 2014 by meena.p

1 answer

Power factor of resonance LCR circuit is

asked Mar 27, 2014 by meena.p

1 answer

Resonance frequency of a circuit is f. If capacitance is made 4 time the initial value, the resonance frequency will be

asked Mar 27, 2014 by meena.p

1 answer

In an LCR series circuit, connected to a source E is at resonance then

asked Mar 27, 2014 by meena.p

1 answer

An LCR circuit given below is connected to a variable frequency w and constant peak voltage $V_0$ . at certain $w_0=w_1$ the rms voltage value across L, C and R are respectively $100\;V,60\;V$ and $30\;V$ . At different value of $w_0=w_2$ we find the voltage across resistance is $50\;V$ Then $w_2$ is

asked Mar 26, 2014 by meena.p

1 answer

An LCR circuit has $L= 3.0 H, C= 27 \;\mu F$ and $ R= 7.4 \;\Omega$ with a certain a factor. To improve the sharpness of resonance by reducing its full width at half maximum by a factor of 2, with out changing $w_0$, we can

asked Mar 25, 2014 by meena.p

1 answer

An AC Source gives a voltage of $V= 20\; \cos \;(2000 \;t)$. It is connected in a circuit as shown. The voltmeter reading is

asked Mar 25, 2014 by meena.p

1 answer

In the given circuit what will be reading of voltmeter.

asked Mar 25, 2014 by meena.p

1 answer

For the series LCR circuit what is resonance frequency and amplitude.

asked Mar 25, 2014 by meena.p

1 answer

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