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Electric Curren...

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  • Question 1
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    The main function of a switch is to

  • Question 2
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    MCB stands for:

  • Question 3
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    What material is used for making the armature of an electric bell ? Give a reason for using this material.

  • Question 4
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    The magnetic effect of electric current is used in a/an :

  • Question 5
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    An electric iron is based upon the principle of:

  • Question 6
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    Many devices such as.............. use batteries.

  • Question 7
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    The circuit breaker device which can be used in place of a fuse is called

  • Question 8
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    Which device is voltmeter?

  • Question 9
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    Symbol of open switch is:

  • Question 10
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    Is the symbol for

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