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Two identical metal spheres posses `+60C` and `-20C` of charges .They are brought in contact and then separated by `10cm` .the force between them is

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Two identical metal spheres posses `+60C` and `-20C` of charges .They are brought in contact and then separated by `10cm` .the force between them is
A. `36xx10^(13)N`
B. `36xx10^(14)N`
C. `36xx10^(12)N`
D. `3.6xx10^(12)N`
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1 Answer

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Correct Answer - 1
`F=(1)/(4piepsilon_(0))(q_(1)+q_(2))^(2)/(4d^(2))`
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