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4 point charges each +q is placed on the circumference of a circle of diameter 2d in such a way that they form a square. The potential at the centre is
Options
(a) 0
(b) 4q/d
(c) 4d/q
(d) q/4d
Correct Answer:
4q/d
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- A galvanometer has a resistance 50Ω. A resistance of 5Ω is connected parallel to it.
- Starting from the origin, a body oscillates simple harmonically with a period of 2s
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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