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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
- A beam of light of wavelength 600 nm from a distant source falls
- The nuclear fusion reaction between deutrium and tritium takes place
- The value of workdone for rotating a magnet of magnetic moment M by an angle θ in external
- The body of mass m hangs at one end of a string of length l, the other end of which
- The polarising angle of glass is 57⁰. A ray of light which is incident at this angle
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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