Categories > Current Electricity > Different Measuring Instruments > A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is $10^{–7}$ ohm–meter and the current passing through it is 0.1 ampere; cross-section of the wire is $10^{–6}m^2$. The potential gradient along the potentiometer wire is

Current Electricity

Question: A potentiometer has uniform potential gradient. The specific resistance of the material of the potentiometer wire is $10^{–7}$ ohm–meter and the current passing through it is 0.1 ampere; cross-section of the wire is $10^{–6}m^2$. The potential gradient along the potentiometer wire is


1) ${10^{ - 4}}$V/m
2) ${10^{ - 6}}$V/m
3) ${10^{ - 2}}$V/m
4) ${10^{ - 8}}$V/m
Solution: Explanation: No Explanation
Different Measuring Instruments Potentiometer Meter Bridge

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