A charge situated at a certain distance from an electric dipole in the end-on position, experiences a force F If the distance of the charge is doubled, the force acting on the Charge will be
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a
2F
b
F/2
c
F/4
d
F/8
answer is D.
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Detailed Solution
Force on charge,F=qEa=q×k·2pr3⇒F∝1r3 When r→ doubled; F→18 times