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Name some sources of direct current....

Name some sources of direct current.

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MBD -HARYANA BOARD-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. Explain different ways to induce current in a coil.

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  2. State the principle of an electric generator.

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  3. Name some sources of direct current.

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  4. Which sources produce alternating current?

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

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

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

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

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

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  10. The phenomenon of electromagnetic induction is :

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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 statement is true or false : An electric...

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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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