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Consider an ac circuit where an incande...

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

A

The bulb will have same brightness

B

The bulb will shine brighten

C

The bulb will become dimmer

D

Depends on the value of L and R

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-ALTERNATING CURRENT -Assignment (Section - A) ( Objective Type Questions ( One option is correct))
  1. The resonance frequency of a certain RLC series circuit is omega(0) . ...

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  2. A variable inductor inductor is connected to an AC source. When induc...

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  3. In series LCR AC circuit, the voltage of the source at any instant is ...

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  4. In a series RLC circuit, if the frequency is increased to a very large...

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  5. A series LCR circuit, has equal resistance capacitive reactance. What ...

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  6. Consider an ac circuit where an incandescent light bulb is in series ...

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  7. the following option is correctfor an ideal capacitor connected to a s...

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  8. A power outlet puts out 60 Hz AC. Which of the following statements is...

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  9. The ideal meter shown in figure read rms current and voltage. The aver...

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  10. A transformer is used to light a 100W and 110V lamp form a 220V mains....

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  11. In a series lags the applied emf. The rate at which energy is dissipat...

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  12. The core of a transformer is laminated to reduce

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  13. The primary coil of an ideal transformer has 100 turns and the seconda...

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  14. Power factor is one for

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  15. A sinusoidal alternating current of peak value (I0) passes through a h...

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  16. An ac voltage is represented by E=220 sqrt(2) cos (50 pi) t How m...

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  17. Two resistors are connected across an AC source of 5 V. The P.D. acro...

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  18. In the figure, find the value of the applied voltage

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  19. Refer to the series LCR AC circuit. Find the value of V(3)

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  20. For an LCR series circuit with an aac source of angular frequency omeg...

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