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     EduGorilla 
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    A current of 0.01 mA passes through the potentiometer wire of a resistivity 10 cm and area of cross-section 10-2 cm2. What is the value of potential gradient?

    Options :-

    1. 109 V/m
    2. 1011 V/m
    3. 1010 V/m
    4. 108 V/m
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