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Home  >>  AIMS  >>  Class12  >>  Physics  >>  Electric Charges and Fields
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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 distance between the two spheres?

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12 cm is correct .
Hence b is the correct answer.
answered Jun 4, 2014 by meena.p

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