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A capacitor is used to store 24 watt hour of energy at 1200 volt. What should be the capacitance of the capacitor?
Options
(a) 120 mF
(b) 120 μF
(c) 24 μF
(d) 24 μF
Correct Answer:
120 mF
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(146)
Subject: Physics
(2479)
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- Two discs of moment of inertia l₁ and I₂ and angular speeds
- The point of suspension λ of a simple pendulum with normal time period T₁ is moving
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
- A uniform chain of length L and mass m is kept on a smooth table. It is released
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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U= 24 watt hour= 24×60×60
V= 1200 volt
U= 1/2 CV^2
C = 2U/V×V
C = 2×24×60×60/1200×1200
C= 0.12 F
C= 120×10^-3 F
C= 120mF