JEE · NEET Previous Year Question
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:
Topic: NEET PYQ
Answer: D. Full step-by-step solution below.
- A+Q/2
- B+Q/4
- C–Q/2
- D–Q/4
Correct answer: D
Solution
(d) = 0Þ 4q + Q = 0
Þ q = –
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