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A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane. The magnetic field changes from 2 tesla to 1 tesla in 1 milli second. If the resistance of the circuit is 2 Ω. The amount of heat evolved is
Options
(a) 5 J
(b) 50 J
(c) 0.05 J
(d) 0.5 J
Correct Answer:
50 J
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A coil has resistance 30 ohm and inductive reactance 20 ohmn at 50 Hz frequency.
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
- Before using the tangent galvanometer, its coil is set in
- A stone is tied to a string of length l and whirled in a vertical circle with the other end
- The time period of a simple pendulum in a lift descending with constant acceleration g is
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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