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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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Topics: Electrostatics
(146)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- The dimensions of pressure are equal to those of
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- A small oil drop of mass 10⁻⁶kg is hanging in at rest between two plates seperated
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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