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Why is the electric potential energy of two similar charges positive at all times?
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Why is the electric potential energy of two similar charges positive at all times?

User Micha Wiedenmann
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Let me show you with the formula

U=(q1*q2)*k/r

if both charges are similar it means both are positive or negative, if you multiply them you would get positive energy

+*+=+

-*-=+

User Deepak Oberoi
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