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ICSE Class 10 Answered

the magnetic flux through a coil having 100 turns decreases from 5 milli weber to zero in 5 second. Calculate the e.m.f. induced in the coil.
Asked by bdroy_2014 | 20 Feb, 2018, 11:23: PM
answered-by-expert Expert Answer
induced emf = begin mathsize 12px style negative space n space fraction numerator d ϕ over denominator d t end fraction end style , where n is number of turns and Φ  is flux
induced emf = (100×5×10-3)/5 = 0.5 V
Answered by Thiyagarajan K | 21 Feb, 2018, 11:01: AM

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