Questions
Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 s, given L = 10 mH.
detailed solution
Correct option is C
|e|=Ldidt⇒|e|=10×10−3×110=1 mVTalk to our academic expert!
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A coil is wound as a transformer of rectangular cross-section. If all the linear dimensions of the transformer are increased by a factor 2 and the number of turns per unit length of the coil remain the same, the self inductance increased by a factor of
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