- 1(current)
Q. No.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. | \(F_C\neq0,F_M\neq0\) |
From NCERT
Subtopic: Electric Charge |
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