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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: - Photoelectric current from a given photocell will depend upon
- According to photon theory of light which of the following physical quantities,
- A particle moving in a straight line with uniform acceleration is observed
- Which of the following is a vector quantity?
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Photoelectric current from a given photocell will depend upon
- According to photon theory of light which of the following physical quantities,
- A particle moving in a straight line with uniform acceleration is observed
- Which of the following is a vector quantity?
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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