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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
- What is the energy released by fission of 1 g of U²³⁵?
- In R-L-C series circuit, the potential differences across each element is 20 V.
- A car moving with a speed of 50 kmh⁻¹ can be stopped by brakes after at least 6 m
- During an adiabatic process, the pressure of a gas is found to be proportional
- An electromagnetic wave of frequency v = 3.0 MHz passes from vacuum into
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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