Question

If specific resistance of a potentiometer wire is 10⁻⁷Ωm current flowing through it, is 0.1 amp and cross-sectional area of wire is 10⁻⁶ m², then potential gradient will be(a) 10⁻² volt/m(b) 10⁻⁴ volt/m(c) 10⁻⁶ volt/m(d) 10⁻⁸ volt/m

Answer 1

HERE IS YOUR ANSWER :-

Option no :- D

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