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[" For the same potential difference,a p...

[" For the same potential difference,a potentiometer wire is replaced by another one of a high specitic "],[" resistance.The potential gradient then "(r=R_(h)=0)],[[" (1) decreases ",(3)" remains same "],[" the current in a potentiometer increases increases "," (4) data is incomplete "]]

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For the same potential difference, a potentiometer wire is replaced by another one of a high specific resistance. The potential gradient then ( r=R_h=0 )

For the same potential difference, a potentiometer wire is replaced by another one of a high specific resistance. The potential gradient then ( r=R_h=0 )

If the value of potential gradient on potentiometer wire is decreased, then the new null point will be obtained at

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If the resistivity of a potentiometer wire be rho and area of cross-section be A , then what will be potential gradient along the wire

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