Four-point charges -Q, -q, 2q, and 2Q are placed, one at each corner of the square. The…
Physics · Class 12 · CBSE — Electrostatic Potential & Capacitance
Four-point charges -Q, -q, 2q, and 2Q are placed, one at each corner of the square. The relation between Q and q for which the potential at the centre of the square is zero is:
- Q = -q
- \(Q=-\frac{1}{q}\)
- Q = q
- \(Q=\frac{1}{q}\)
Answer
(A) Q = -q
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