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     EduGorilla 
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    A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is 10-7 ohm-metre, and the current passing through it is 0.1 ampere, cross-section of the wire is 10-6m2. The potential gradient along the potentiometer wire is

    Options :-

    1. 10 -6 V/m
    2. 10 -4 V/m
    3. 10 -8 V/m
    4. 10 -2 V/m
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