Question
Download Solution PDFA coil has 200 turns. Find the induced EMF in it, if the flux changes from 1 mwb to 2 mwb in 0.1 sec?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
The induced EMF in a coil is given by:
\(E=N{d\phi\over dt}\)
where, N = Number of turns
\({d\phi \over dt}=\) Rate of change of flux
Calculation
Given, N = 200
\({d\phi \over dt}={2-1\over 0.1}\times 10^{-3}\) Wb
\(E=200\times {1\over 0.1}\times 10^{-3}\)
E = 2 V
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