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A spherical drop of mercury having a potential of 2.5 v is obtained as a result of merging 125 droplets. The potential of the constituent droplets would be
Options
(a) 1.0 V
(b) 0.5 V
(c) 0.2 v
(d) 0.1 V
Correct Answer:
0.1 V
Explanation:
V = n²/³.v = (125)²/³.v = 5².v
2.5 = 2.5 v or v = 0.1 V
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
- An engine pumps water continuously through a hose. Water leaves the hose
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- A potentiometer wire of length 10 m and resistance 10 Ω per metre is connected in series
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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