Electrostatics Question 192

Question: Two charged spheres separated at a distance d exert a force $ F $ on each other. If they are immersed in a liquid of dielectric constant 2, then what is the force (if all conditions are same) [AIIMS 1997; MH CET 2003]

Options:

A) $ \frac{F}{2} $

B) $ F $

C) $ 2F $

D) $ 4F $

Show Answer

Answer:

Correct Answer: A

Solution:

$ F\propto \frac{1}{K} $ i.e. $ \frac{F _{medium}}{F _{air}}=K $



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