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A certain charge is to be divided into two parts (Q-q) and q. What is the relation Q to q if the two parts, placed a given distance apart, are to have a maximun Coulumb repulsion?
Force = K(Q-q)q/r^wNow Numerator = K(Q-q)q should be maximum Hence,q ahould be minium.Rherfore,dN/dq = k[Q-q-q] = 0Q – 2q = 0Q = 2q is tthe relation.
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