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Which effect of electric current is used...

Which effect of electric current is used in the working of an electric fuse?

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LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE
  1. Name the alloy which is used to make the heating elements of electrica...

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  2. Name the metal which is used to make the filament of an electric bulb.

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  3. Which effect of electric current is used in the working of an electric...

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  4. What is the full form of CFL ?

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  5. Name the phenomenon which occurs : when the two naked wires of elect...

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  6. Name the phenomenon which occurs : when too many electrical applianc...

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  7. What is the name of a safety device which cuts off the electricity sup...

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  8. What is the name of a safety device which cuts off the electricity sup...

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  9. Name the device which is being used increasingly in place of fuse.

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  10. Which important discovery was made by Oersted ?

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  11. Name the scientist who discovered the magnetic effect of current.

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  12. What name is given to the following arrangement ? A coil of insulate...

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  13. In an electromagnet, which of the two really becomes a magnet : the pi...

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  14. Name any two devices in which electromagnets are used.

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  15. What is the common name of the magnet made by using current ?

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  16. Which of the following material is used for making an electromagnet ? ...

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  17. Which effect of electric current is utilised in an electric bell ?

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  18. Name one device which works on the magnetic effect of current.

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  19. What is the usual name of magnets whose magnetism can be turned on or ...

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  20. Which material is used to make electromagnets and why?

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