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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
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- The conducting loop in the form of a circle is placed in a uniform magneitc field
- The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration?
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
- An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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