Q6. The resistivity of a potentiometer wire is 10-7 Ωm and its cross-section area is 10-6 m². When a current of 0.1 A follows through the wire, its potential gradient is:
(a) 10-1 V/m
(b) 10-2 V/m
(c) 10-4 V/m
(d) 10 V/m

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Accepted Answer

10-2 V/m

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Q6. The resistivity of a potentiometer wire is 10-7 Ωm and its cross-section area is 10-6 m². When a current of 0.1 A follows through the wire, its potential gradient is: (a) 10-1 V/m (b) 10-2 V/m (c) 10-4 V/m (d) 10 V/m

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