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Electric Curren...

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  • Question 1
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    According to Kirchhoff ’s Loop Rule

  • Question 2
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    The Wheatstone bridge is balanced for four resistors R1,R2,R3 and R4 with a cell of emf 1.46 V. The cell is now replaced by another cell of emf 1.08 V. To obtain the balance again

  • Question 3
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    Resistance of a conductor is

  • Question 4
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    Two cells of emf  1.25V , 0.75V and each of internal resistance  1 Ωare connected in parallel. The effective emf will be

  • Question 5
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    Flow of charges in direction of electrons is called  

  • Question 6
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    In the measurement of resistance by a metre bridge, the current is necessarily reversed through the bridge wire to eliminate

  • Question 7
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     If the length of the filament of a heater is reduced by  10% the power of the heater will

  • Question 8
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    Resistance of a conductor is

  • Question 9
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    According to Ohm 's law

  • Question 10
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    Potentiometer is

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