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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
- An electric current passes through a long straight wire
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- A source is moving towards an observer with a speed of 20 m/s and having frequency
- The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index
- The work function of metals is in the range of 2 eV to 5 eV.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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