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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
- White light reflected from a soap film (Refractive Index =1.5) has a maxima
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- The distance travelled by an object along a straight line in time t is given by
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
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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