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A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb. When it is discharged, energy liberated will be
Options
(a) 1 J
(b) 4 J
(c) 10 J
(d) 20 J
Correct Answer:
10 J
Explanation:
Energy of capacitor = (1/2) QV
= (1/2) × 0.1 × 200 = 10 J
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two identical long conducting wires AOB and COD are placed at right angle
- A wooden stick 2 m long is floating on the surface of water. The surface tension
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- The atomic number of the most common element in nuclear fusion is
- The drift speed of electrons in copper wire of diameter and length l is v.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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