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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: - In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- For a wave propagating in a medium, identify the property that is independent
- Two bodies of mass 0.25 kg each moving towards each other with velocity
- Shear modulus is zero for
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
- For a wave propagating in a medium, identify the property that is independent
- Two bodies of mass 0.25 kg each moving towards each other with velocity
- Shear modulus is zero for
- A step-up transformer operates on a 230 V line and supplies a current of 2 A.
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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