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The charges Q, +q, and +q are placed at the vartices of an equilateral triangle of side l. If the net electrostatic potential energy of the system is zero, the Q is equal to
Options
(a) (+q/2)
(b) zero
(c) (-q/2)
(d) (-q)
Correct Answer:
(-q/2)
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
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
- A small part of the rim of a fly wheel breaks off while it is rotating at a constant
- When a ball is thrown up vertically with velocity vₒ,it reaches a maximum height
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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