The potential gradient g at a point x meters from the centre of a cable is
Q. The potential gradient g at a point x meters from the centre of a cable is
A. g α 1/ x
B. g α x
C. g α 1/ x2
D. g α x2
Answer: g α 1/ x
A. g α 1/ x
B. g α x
C. g α 1/ x2
D. g α x2
Answer: g α 1/ x