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two charges 2C and -4C are 10cm apart.calculate the work done to separate the system of charge to infinite distance?

Asked by neha123 3rd January 2012, 9:51 AM
Answered by Expert
Answer:
electrical energy at infinite separation=0
so increase in PE=PE at this distance=q1q2/4pi?0
                                                     =9x109 x2x4x100/10
=72x1010 J
Answered by Expert 3rd January 2012, 10:16 AM
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