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Which of the following is true for an id...

Which of the following is true for an ideal capacitor connected to a sinusoidal voltage source ?

A

neither the avarage power nor the avarage nor the avarage current is zero

B

avarage voltage is zero but the avarage power is non zero

C

both avarage power and avarage current is zero

D

Avarage power is zero but the avarage current is non zero

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-Mock Test 33: PHYSICS-Example
  1. Find capacitive reactance of a capacitor connected to a dc source.

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  2. An alternative current is given by I = (100sqrt2 sint) A. The RMS valu...

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  3. The voltage over a cycle varies as V=V(0)sin omega t for 0 le t le (...

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  4. An alternating current is given by I = i1 cos omegat + i2 sin omegat...

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  5. The average value of an alternating voltage V=V(0) sin omega t over ...

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  6. Which of the following is true for an ideal capacitor connected to a s...

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  7. A direct current of 5 amp is superimposed on an alternating current I=...

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  8. For an ideal inductor, connected across a singusoidal ac volatage sour...

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  9. A resistor and a capacitor are connected in series with an a.c. source...

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  10. In an electrical circuit R,L, C and a.c voltage source are all connect...

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  11. If a 16Omegaresistance and 12 Omega inductive reactance are present in...

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  12. Define quality factor in electrical resonance circuit. Find quality fa...

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  13. If resistance R =100 Omega, inductance L = 12mH and capacitance C=15mu...

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  14. A 12 Omega resistor and a 0.21 H inductor are connected in series to a...

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  15. In a circuit L,C and R are connected in series with an altematng volta...

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  16. In an AC circuit, the instantaneous values of e.m.f and current are e...

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  17. In series LCR circuit, the phase difference between voltage across L a...

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  18. In an ideal transformer the number turns of primary and secondary coil...

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  19. Quantity that remains unchanged in a transformer is

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  20. The primary and secondary coils of a transmformer have 50 and 1500 tur...

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