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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
- If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
- A 36 Ω galvanometer is shunted by resistance of 4 Ω. The percentage of the total current
- The most stable particle in Baryon group is
- The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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