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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 India, electricity is supplied for domestic use at 200V. It is supplied at 110 V
- A resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
- An interference pattern was made by using red light. If the red light
- The wavelength of X-rays is in the range
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In India, electricity is supplied for domestic use at 200V. It is supplied at 110 V
- A resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
- An interference pattern was made by using red light. If the red light
- The wavelength of X-rays is in the range
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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