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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
- If the velocity of sound in air is 350 m/s, thent he fundamental frequency
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
- If sound wave travel from air to water, which of the following remains unchanged?
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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