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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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- Two particles A and B, move with constant velocities V₁ and V₂. At the initial
- When three identical bulbs of 60 W-200 V rating are connected in series to a 200 V
- The relationship between decay constant λ and half-life T of a radioactive substance is
- A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor.
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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