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What is alternating current ?...

What is alternating current ?

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**Step-by-Step Solution:** 1. **Definition of Alternating Current (AC):** - Alternating current is defined as the type of electric current in which both the magnitude and direction change continuously over time. 2. **Understanding the Characteristics of AC:** - In AC, the flow of electric charge periodically reverses direction. This means that the current can flow in one direction for a certain period and then switch to flow in the opposite direction. ...
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MODERN PUBLICATION-ALTERNATING CURRENT -Revision Exercises ( Very short Annwer Qustion )
  1. What is alternating current ?

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  2. What do you mean by frequency of AC ?

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  3. How can we represent AC mathematically ?

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  4. The peak value of 220 a.c. is

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  5. How does AC differ from DC? What are the advantages and disadvantages ...

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  6. What is the phase relationship between voltage and current in an AC ci...

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  7. Draw a graph between voltage and current in case of an AC circuit cont...

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  8. Is the behaviour of resistance is the same in both AC and DC circuits ...

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  9. What is the average value of a.c. over a full cycle ?

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  10. What is the relation between mean value of AC with the peak value ?

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  11. Give the relation between the rms value and peak value of AC .

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  12. What is the significance of phasors in AC circuits ?

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  13. What is the phase relationship between voltage and current in case of ...

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  14. Draw a graph between voltage and currenrt in case of an AC circuit con...

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  15. Compare between inductive reactance and capacitive reactance.

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  16. How inductive reactance depends on the frequency of AC ?

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  17. What is the phase relationship between voltage and current in case of ...

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  18. Draw a graph between voltage and current in case of an AC circuit cont...

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  19. Define capacitor reactance. Write its SI units.

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  20. How capacitive reactance depends on the frequency of AC ?

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