Two points charges q1 and q2 are placed ...

Two points charges `q_1 and q_2` are placed at a distance of 50 m from each each other in air, and interact with a certain force. The same charges are now put in oil whose relative permittivity is 5. If the interacting force between them is still the same, their separation now is

`16.6 cm`

`22.3 cm`

`35.0 cm`

`28.4 cm`

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