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Three charged particles are collinear and are in equilibrium, thenA. all the charged particles have the same polartiyB. the equilibrium is unstableC. all the charged particles cannot have the same polarityD. Both (b) and (c ) are correct |
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Answer» Correct Answer - d If a charge particle is in equilibrium under electrostatic force, then that particle never be in stable equilibrium. Hence option (b) is correct. Since, all charges are in equilibrium so, net force an any one of charges are in equilibrium so, net force on any one of charges should be zero-for this two equal and opposite force will act on any charges. Hence option (c ) is also correct. |
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