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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.
Related Questions: - Electric field intensity at a point in between two parallel sheets due to like
- With the decrease of current in the primary coil from 2 amperes to zero value
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electric field intensity at a point in between two parallel sheets due to like
- With the decrease of current in the primary coil from 2 amperes to zero value
- Two cells, having the same e.m.f. are connected in series through an external resistance
- A gas of monoatomic hydrogen is bombarded with a stream of electrons
- The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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