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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
- A body is under stress F and has Young’s modulus Y, then the energy
- The force of repulsion between two electrons at a certain distance is F.
- A nucleus of uranium decays at rest into nuclei of thrrium and helium. Then
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
- A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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