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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
- In Wheatstone bridge, three resistors P,Q and R are conncected in three arms
- The focal length of the objective of a terrestrial telescope is 80 cm
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- A particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- A plane electromagnetic wave of frequency 20 MHz travels through a space along
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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