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Potential energy of two equal negative point charges 2µc each held lm apart in air is:- -

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Question

Potential energy of two equal negative point charges 2µc each held lm apart in air is:-

Options

  • 2J

  • 2 ev

  • 4J

  • 0.036J

MCQ

Solution

0.036J

Explanation:

P.E. = `(q_1q_2)/(4piε_0r_12)`

= `(9 xx 10^9 xx 2 xx 10^-6)/1 xx 2 xx 10^-6`

= 0.036J

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