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A particle A having a charge of 2.0xx10...

A particle A having a charge of `2.0xx10 ^(-6) C` is held fixed on a horizontal table. A second charged jparticle of mass 80g stays in equilibrium on the table at a distance of 10 cm from the firsst charge. The coefficient of friction between the table and this second jparticle is `mu = 0.2`. find the range within which the charge of this second particle may lie.

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