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The average value of alternating curr...

The average value of alternating current over a complete cycle is

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The value of alteranting current is positive during half cycle and negative during another half cycle. Thus, the average value of current over one complete cycle is zero.
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MODERN PUBLICATION-ALTERNATING CURRENT -CONCEPTUAL QUESTIONS
  1. The average value of alternating current over a complete cycle ...

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  2. What can we say about an LR circuit with a large value of time constan...

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  3. What can we say about an RC cirucit with a small value of time constan...

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  4. An alternating power of frequency 20 cycles per second is used to supp...

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  5. What would be the equivalent reactance of a capacitor and inductor whe...

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  6. What is wattless current ?

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  7. Suppose we have a transformer which converts 220 V AC to 12 AC. In the...

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  8. The reactance of a circuit is zero It is possible that the circuit con...

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  9. In an AC circuit , it if found that the current is zero when voltage i...

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  10. A bulb a capacitor is connected in series across an alternating power...

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  11. Two identical electric bulbs X and Y are connected in two different ci...

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  12. At an airport, a perosn is made to walk through the door wy of a meta...

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  13. Choke coil is used to control

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  14. What is the use of choke coil in AC circuit? Can we use a rheostat in ...

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  15. what is resonance in series LCR circuit ?

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  16. Can we use galvanometer to measure alternating current ?

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  17. Can a hot-wire ammeter be used to measure a direct current having a co...

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  18. Why do we use a transformer in AC circuits?

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  19. Two circuit elements X and Y are connected across an alternating curre...

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  20. A step up transformer is used to

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