Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.2>Q 10

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For which set of values of $X_{L}, X_{C}$ and $R$ , a series LCR circuit will be in resonance?

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Important Questions on Alternating Current

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.2>Q 11

Find average power loss in the following RLC circuit.

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.2>Q 12

Consider an ac circuit where an incandescent light bulb is in series with an inductor. If the frequency of the generator is increased, what will happen to the brightness of bulb?

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.2>Q 13

In series LCR AC circuit, the voltage of the source at any instant is equal to

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.2>Q 14

For a

LCR

series circuit with an

A . C .

source of angular frequency

ω :

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.3>Q 15

Switch is in position $A$ for a long time. At time $0$ , it is switched to position $B .$ Find time period of resulting charge oscillation.

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.3>Q 16

Switch is in position $A$ for a long time. At time $0$ , it is switched to position $B .$ Find the maximum charge which will accumulate on capacitor.

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Gamma Question Bank for Engineering Physics>Chapter 21 - Alternating Current>EXERCISE 7.3>Q 17

Two capacitor with initial charges $C V_{0}$ and $2 C V_{0}$ as shown in figure are connected across an inductor of inductance $L .$ Find time period of oscillation and maximum current through the circuit

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