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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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Subject: Physics
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- A tube of length L is filled completely with an incompressible liquid of mass
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- A particle moving in a straight line with uniform acceleration is observed
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- The masses of three wires of copper are in the ratio 1:3:5 and lengths
Topics: Electrostatics (146)
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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