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Electric Curren...

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  • Question 1
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    The unit of current is

     

  • Question 2
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    A Wheatstone bridge ABCD is balanced with a galvanometer between the points B and D. At balance the resistance between the points B and D is :

     

  • Question 3
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    The instrument for the accurate measurement of the e.m.f of a cell is

     

  • Question 4
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    Electromotive force is

     

  • Question 5
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    Drift is the random motion of the charged particles within a conductor,

     

  • Question 6
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    Unit of Resistivity is

     

  • Question 7
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    Potentiometer measures the potential difference more accurately than a voltmeter, because

     

  • Question 8
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    Meter Bridge is based on the principle of

     

  • Question 9
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    A piece of copper and another of germanium are cooled from room temperature to 80K. The resistance

     

  • Question 10
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    Unit of power is

     

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