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Three charges, each of value q, are plac...

Three charges, each of value q, are placed at the vartices of an equilateral triangle. A fourth charge Q is placed at the centre of the triangle. (i) If `Q=-q`, will the charge at the vertices move towards the centre of fly away from it? (ii) For what value of Q will the charges remain stationary?

Text Solution

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The correct Answer is:
(i) towards the centre; (ii) `(-q)/(sqrt3)`
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