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Physics-

General

Easy

Question

The electric field due to a dipole at a distance $r$ on its axis is

Directly proportional to $r^{3}$
Inversely proportional to $r^{3}$
Directly proportional to $r^{2}$
Inversely proportional to $r^{2}$

The correct answer is: Inversely proportional to $r to the power of 3 end exponent$

$E equals fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction. fraction numerator 2 p over denominator r to the power of 3 end exponent end fraction rightwards double arrow E proportional to fraction numerator 1 over denominator r to the power of 3 end exponent end fraction$

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