Physics · Electrostatic Potential and Capacitance
Point charges -3Q, -q, 2q, and 2Q are placed, one at each corner of a square. The relation between Q and q for which the electric potential at the centre of the square is zero is:
- 1Q = q✓
- 2Q = -1q
- 3Q = -q
- 4Q = 1q
Correct answer
Q = q
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