Two point charges in air at a distance of 20 cm.from each other intera – InterviewSolution

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1.	Two point charges in air at a distance of 20 cm.from each other interact with a certain force. Atwhat distance from each other should these chargesbe placed in oil of relative permittivity 5 to obtainthe same force of interaction(A) 8.94 × 10-2 m (B) 0.894 x 10-2 m(C) 89.4 x 10-2 m(D) 8.94 x 102 m
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