Electrostatics

Question: Two point charges placed at a certain distance r in air exert a force F on each other. Then the distance ‘r' at which these charges will exert the same force in a medium of dielectric constant k is given by

1) r

2) r/k

3) \[r/\sqrt k \]

4) \[r\sqrt k \]

Solution:

Explanation: 3e

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