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Two small balls of equal positive charge Q are suspended from a hook attached to a stand by two insulating cords of equal length L. The complete adjustment is brought to a satellite in space. The tension in each string is (a) 0 (b) 1/4πE°×Q^2 (c) 1/4πE°×Q^2\2L^2 1 (d) 1/4πE°×Q^2/4L^ 2 |
| Answer» Two small balls of equal positive charge Q are suspended from a hook attached to a stand by two insulating cords of equal length L. The complete adjustment is brought to a satellite in space. The tension in each string is (a) 0 (b) 1/4πE°×Q^2 (c) 1/4πE°×Q^2\2L^2 1 (d) 1/4πE°×Q^2/4L^ 2 | |