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Magnetic flux in a coil changes from 13 × 10-3 Wb to 5 × 10-3 Wb in 0.02 sec. Find the induced emf.

Asked by Topperlearning User 7th July 2015, 10:16 AM
Answered by Expert
Answer:

Induced e.m.f.,

begin mathsize 12px style straight e equals fraction numerator straight ϕ subscript 2 minus straight ϕ subscript 1 over denominator straight t end fraction equals fraction numerator open parentheses 13 minus 5 close parentheses cross times 10 to the power of negative 3 end exponent over denominator 0.02 end fraction
straight e equals 0.4 space straight V end style

Answered by Expert 7th July 2015, 12:16 PM
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