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The self induced e.m.f. in a 0.1 H coil when the current in it is changing at the rate of 200 amp/sec is
Options
(a) 8×10⁻⁴ V
(b) 8×10⁻⁵ V
(c) 20 V
(d) 125 V
Correct Answer:
20 V
Explanation:
e = – L (dI / dt), Magnitude of e = L (dI / dt) = 0.1 × 200 = 20 V
Related Questions: - If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- Which of the following transitions will have highest emission wavelength?
- If the momentum of electron is changed by P, then the de-Broglie wavelength
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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 length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- Which of the following transitions will have highest emission wavelength?
- If the momentum of electron is changed by P, then the de-Broglie wavelength
- A point performs simple harmonic oscillation of period T and the equation of motion
- The depth at which the effective value of acceleration due to gravity is g/4
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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