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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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Magnetic induction produced at the centre of a circular loop carrying current is B.
- The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
- A thin circular ring of mass M and radius R rotates about an axis through its centre
- The area of cross-section of a steel wire (Y=2.0×10¹¹ N/m²) is 0.1 cm².
- In an AC generator, a coil with N turns, all of the same area A and total resistance R,
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