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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
Related Questions: - If the band gap between valence band and conduction band in a material is 5.0 eV,
- Two coherent sources of different intensities send waves which interfere.
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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- Two coherent sources of different intensities send waves which interfere.
- Wires A and B are made from the same material. A has twice the diameter and three times
- The barrier potential of a p-n junction depends on
- In the phenomenon of electric discharge through gases at low pressure,
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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