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Answer the following questions :
What is an alternating current (AC)?

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NAVNEET PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. Answer the following questions : Observe the following figure. If th...

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  2. Answer the following questions : What is a direct current (DC)?

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  3. Answer the following questions : What is an alternating current (AC)...

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  4. Answer the following questions : What is the value of frequency of A...

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  5. Answer the following questions : What is the periodic time of AC in ...

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  6. Answer the following questions : State one advantage of AC over DC.

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  7. Answer the following questions : Name two appliances/ devices in whi...

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  8. Answer the following questions : Name two appliances/ devices in whi...

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  9. Answer the following questions : State any two uses of an AC generat...

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  10. Answer the following questions : What is an electric generator?

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  11. Answer the following questions : What is an electric generator?

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  12. Answer the following questions : What is a DC generator?

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  13. Answer the following questions : State the principal on which the wo...

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  14. Answer the following questions : Explain the onstruction and workin...

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  15. Answer the following questions : Obsere the following diagram and wri...

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  16. Answer the following questions : Obsere the following diagram and wri...

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  17. Answer the following questions : Obsere the following diagram and wri...

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  18. Answer the following questions : Obsere the following diagram and wri...

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  19. Answer the following questions : Obsere the following diagram and wri...

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  20. Answer the following questions : Draw the diagram of a DC generator ...

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