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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
- The charge flowing through a resistance R varies with time t as Q=at-bt²,
- On heating a ferromagnetic substance above curie temperature
- The particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
- Three cells, each of e.m.f 1.5 V and internal resistance 1 ohm are connected in parallel
- The nuclear fusion reaction between deutrium and tritium takes place
Topics: Electromagnetic Induction (76)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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