Three charges +Q, q, +Q are placed respectively, at distance, 0, d/2 and d from the origin, on the x-axis. If the net force experienced by +Q, placed at x = 0, is zero, then value of q is:
Text Solution
Verified by ExpertsThe correct answer is:
D
= 0
⇒ 4q + Q = 0
⇒ q = – 
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