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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: - A body is thrown vertically upward in air when air resistance is taken into account
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- In a uniform circular motion,
- A neutron moving with velocity v collides with a stationary particle
- Which one of the following statement is FALSE ?
Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body is thrown vertically upward in air when air resistance is taken into account
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- In a uniform circular motion,
- A neutron moving with velocity v collides with a stationary particle
- Which one of the following statement is FALSE ?
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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