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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
- Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
- In Young’s double silt experiment, 12 fringes are observed to be formed
- The electron of a hydrogen atom revolves round the proton in a circular
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
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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