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Magnetic flux φ (in weber) linked with a closed circuit of resistance 10 Ω varies with time t (in sec) as φ=5t²-4t+1. The induced e.m.f. in the circuit at 0.2 sec is
Options
(a) 0.4 volt
(b) 2.0 volt
(c) (-0.4 volt)
(d) (-2.0 volt)
Correct Answer:
2.0 volt
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The two ends of a rod of length L and a uniform cross-sectional area
- In the given figure, a diode D is connected to an external resistance R=100 Ω
- The string of a pendulum is horizontal.The mass of bob attached to it is m
- At a metro station, a girl walks up a stationary escalator in time t₁
- Four blocks of same mass connected by cords are pulled by a force F
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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