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Consider two small balls carrying equal and opposite charges. If one is secured and other is related it can do work W_(1) against the repulsive force (as it moves away). If before the second ball is released, they are connected by a conductor for some time, the second ball can do work W_(2) while moving away. The heat liberated in the conductor when the balls are connected, the energy at the expense ofwhich heat is liberated and mechanical work changed is |
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Answer» `((q_(1)+q_(2))^(2))/4(1/R-1/L)` |
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