Two identical balls of cork \(\mathrm{(C_1,C_2)}\) are charged oppositely with equal amounts of charge distributed uniformly over their respective surfaces. Two similar (of same size) balls of copper\((M_1,M_2)\) are charged in the same way as the previous two balls. \(\mathrm{C_1,C_2}\) are allowed to touch each other briefly and are separated, and the same is done with \(M_1,M_2.\) The electrostatic force between \(\mathrm{C_1,C_2}\) is \(F_C\) and that between \(M_1,M_2\) is \(F_M\) at the same separation. Then:
1. \(F_C=0,F_M\neq0\) 2. \(F_C\neq0,F_M=0\)
3. \(F_C=0,F_M=0\) 4. \(F_C\neq0,F_M\neq0\)
Subtopic:  Electric Charge |
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NEET 2026 - Target Batch - Vital
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