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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
- Nuclear fission is not found in
- An automobile engine develops 100 kW when rotating at a speed of 1800 rev/min
- The identical cells connected in series are needed to heat a wire of length one meter
- A body of mass 2 kg is moved by a force F=3x where x is the distance covered.
- A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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