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The device used for producing electric c...

The device used for producing electric current is called

A

generator

B

galvanometer

C

ammeter

D

motor

Text Solution

Verified by Experts

The correct Answer is:
A
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ZEN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT -Textual exercise
  1. What is the function of an earth wire ? Why is it necessary to earth m...

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  2. Which of the following correctly describes the magnetic field near a ...

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  3. The phenomenon of electromagnetic induction is

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  4. The device used for producing electric current is called

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  5. The essential difference between an AC generator and a DC generator ?

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  6. At the time of a short circult, the current in the circuit.

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  7. State wheteher the following statements are true of false.

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  8. List two methods of producing magnetic fields.

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  9. How does a solenoid behave like a magnet ? Can you determine the nor...

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  10. When is the force experienced by current carrying conductor placed in ...

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  11. Imagine that you are sitting in a chamber with your back to one wall. ...

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  12. Draw a labelled diagram of an electric motor. Explain its principle an...

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  13. Name some devices in which electric motors are used.

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  14. A coil of insulated copper wire is connected to a galvanometer. What ...

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  15. Two circular coils A and B are place close to each other . If the curr...

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  16. State the rule to determine the direction of a : [i] Magnetic fiel...

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  17. Explain the underiying and working of an electric generator by drawin...

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  18. Draw the diagram of a simple electric generator. Label the following p...

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  19. When does an electric short circuit occur ?

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  20. What is the function of an earth wire ? Why is it necessary to earth m...

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