Question
Thu August 02, 2012 By: Swarnalakshmi Murugan

The potential gradient along the length of a uniform wire is 10V/m. B & c are 2 points at 30cm & 60cm on a scale fitted aling the wire.What is the potential difference between B & C?

Expert Reply
Fri August 03, 2012
dV/dr = 10 V/m
dr = 0.6-0.3 = 0.3 m
dV = 10 x 0.3 = 3 V
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