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The net electric force on a charge of +3μC at the mid-point on the line joining two charges of magnitude +2μC and -2μC seperated by the same distance of 6mm, is
Options
(a) 6000N
(b) 500N
(c) 60N
(d) zero
Correct Answer:
zero
Explanation:
From Coulomb’s law, force due to same charge is repulsive and that due to opposite is attractive.
F = K [(2×3/3²) – (2×3/3²)] = 0
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An ac voltage is applied to a resistance R and an inductor L in series
- The energy band gap is maximum in
- The current through an inductor changes from 3 A to 2 A is 1 m/s. If induced e.m.f.
- A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
- A heavy stone hanging from a massless string of length 15 m is projected
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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