Smiyle Cluice The resistivity of a ...
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Smiyle Cluice The resistivity of a potentiometer wire is 40x10ohm-m and its area of cross-section is 8x10°m. If 0.2 ampere current is flowing through the wire, the potential gradient will be: A 10-2V/m B 10-4v/m C 3.2x10-2V/m D 1V/m

JEE/Engineering Exams
Physics
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