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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: - A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- An alternating emf given by equation
e=300 sin[(100 π)t] V
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- An alternating emf given by equation e=300 sin[(100 π)t] V
- A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- A glass flask weighing 390 g having internal volume 500 cc just floats
- Core of electromagnets are made of ferromagnetic material which has
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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