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smartboy198062 (483)

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Olaaa!! Perrrfect answer. 89  [108 rates]

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actually the minimum force can be zero

if u place a metal block between the 2 charges the force experienced by the 2 is zero

in the formula

1/(40k) qq/r2  =F 

k for a metal is infinity and hence F=0

thus the minimum force between the 2 charges can be zero.

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