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An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed from 10 A in one direction to 10A in opposite direction in 0.5 sec. Self inductance of the coil is
Options
(a) 50 mH
(b) 25 mH
(c) 100 mH
(d) 75 mH
Correct Answer:
25 mH
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
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- Watt hour mter measures
- Two parallel beams of positron moving in the same direction will
- Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each.
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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