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State the principle of an electric gener...

State the principle of an electric generator.

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The electric generator works on the principle that when a straight conductor is moved in a magnetic field, then current is induced in the conductor.
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LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. What is the role of the split-ring in an electric motor?

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  2. Explain different ways to induce current in a coil.

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  3. State the principle of an electric generator.

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  4. Name some sources of direct current.

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  5. Which sources produce alternating current?

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  6. Choose the correct option: A rectangular coil of copper wires is rot...

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  7. Name two safety measures commonly used in electric circuits and applia...

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  8. An electric oven of a 2kW power rating is operated in a domestic circu...

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  9. What precaution should be taken to avoid the overloading of domestic e...

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  10. Which of the following correctly describes the magnetic field near a l...

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  11. The device used for producing electric current is called a:

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  12. The essential difference between an AC generator and a DC generator is...

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  13. At the time of short-circuit, the current in the circuit:

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  14. State whether the following statements are true or false. (a) An ele...

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  15. List three sources of magnetic fields.

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  16. How does a solenoid behave like a magnet? Can you determine the north ...

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  17. When is the force experienced by a current-carrying conductor placed i...

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  18. Imagine you are sitting in a chamber with your back to one wall. An el...

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

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

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