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Three point charges 3nC, 6nC and 9nC are...

Three point charges 3nC, 6nC and 9nC are placed at the corners of an equilateral triangle of side 0.1m. The potential energy of the system is:

A

9910 nJ

B

8910 nJ

C

99100 mJ

D

89100 kJ

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