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A 10 micro farad capacitor is charged to 500 V and then its plates are joined together through a resistance of 10 ohm. The heat produced in the resistance is
Options
(a) 500 J
(b) 250 J
(c) 125 J
(d) 1.25 J
Correct Answer:
1.25 J
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)
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- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
- A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
- A uniform chain of length L and mass m is kept on a smooth table. It is released
- A rocket with a lift-off mass 3.5 x 10⁴ kg is blasted upwards with an initial acceleration
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
Topics: Electrostatics (146)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Energy stored in a capacitor is converted to heat produced
E=1/2CV²
E= 1/2×10×10^-6×(500)²
1/2 ×10×10^-6×250000
125×10^-2
1.25 JOULE
Correct