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What Is the frequency of alternating current (A.C.) ?

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CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. Name the three types of wires or calbes used in domestic electric circ...

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  2. Which electrical appliance converts electrical energy into mechanical ...

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  3. What Is the frequency of alternating current (A.C.) ?

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  4. What do you mean by induced currect?

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  5. Name the two components or devices used for the safety of electrical g...

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  6. Write the relation between kilowatt hour and joule.

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  7. Write will the induced current in the electrical conductor(coil) be ma...

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  8. Match the columns:

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  9. Match the columns:

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  10. Match the columns:

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  11. Match the columns:

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  12. True or false The SI unit of electric charge is coulomb(C).

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  13. True or false The SI unit of electric current is volt(V).

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  14. True or false Resistivity of a conductor does not depend upon its ...

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  15. True or false The filament in the electric bulb is made of a wire ...

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  16. True or false The direct current always in one direction only

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  17. True or false The electric motor is used to generate electricity.

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  18. True or false During lightning, all the electrical appliances must ...

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  19. True or false Many high power rating electrical appliances can be c...

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  20. True or false Direct current has a frequency of 50 Hz in India

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