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# The electrostatic force on a small sphere of charge $0.4 \mu C$ due to another small sphere of charges $− 0.8 \; \mu C$ in air is $0.2 N.$ What is the force on the second sphere due to the first?

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## 1 Answer

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(C) 0.2 N
Hence C is the correct answer.
answered Jun 4, 2014 by