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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
- If r be the distance of a point on the axis of a magnetic dipole from its centre
- The horizontal component of earth’s magnetic field at a place is 3×10⁻⁴ T
- In Young’s double slit experiment, when wavelength used is 6000Å and the screen
- When a ceiling fan is switched off its angular velocity reduces to 50% while
- Curie temperature above which
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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