A clock face has negative charges \( -q,-2 q,-3 q, \ldots .,-12 q \) fixed at the position of th...

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A clock face has negative charges \( -q,-2 q,-3 q, \ldots .,-12 q \) fixed at the position of the corresponding numerals on the dial. The clock hands do not disturb the net field due to point charges. At what time does the hour hand, point in the same direction of electric field at the centre of the dial :
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