Electrostatics Question 188

Question: When air is replaced by a dielectric medium of constant k , the maximum force of attraction between two charges separated by a distance [CBSE PMT 1999]

Options:

A) Decreases k times

B) Remains unchanged

C) Increases k times

D) Increases k−1 times

Show Answer

Answer:

Correct Answer: A

Solution:

F′=14πε0q1q2r2=FK If F is the force in air, then F′ is less than F since K>1 .

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