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A charge 10 esu is placed at a distance ...

A charge 10 esu is placed at a distance of 2 cm from a charge 40 esu and 4 cm from another charge -20 esu. The potential energy of the charge 10 esu is : (in ergs)

A

87.5

B

112.5

C

150

D

250

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ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Field and Potential)
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