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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: - Dimensions of electrical resistance are
- A bus is moving with a speed of 10 ms⁻¹ on a straight road
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
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Topics: Electromagnetic Induction
(76)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Dimensions of electrical resistance are
- A bus is moving with a speed of 10 ms⁻¹ on a straight road
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
- The internal energy change in a system that has absorbed 2 kcals of heat
- A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb.
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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