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Four identical charges are placed at the points (1, 0, 0), (0, 1, 0), (–1, 0, 0) and (0, –1, 0). (a) The potential at the origin is zero. (b) The field at the origin is zero. (c) The potential at all points on the z-axis, other than the origin, is zero. (d) The field at all points on the z-axis, other than the origin, acts along the z-axis. |
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Answer» Correct Answer is: (b, d) |
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