Questions
An e.m.f. of 12 V is produced in a coil when the current in it changes at the rate of 45 A/min. The inductance of the coil is
detailed solution
Correct option is D
|e|=Ldidt⇒12=L×4560⇒L=16HTalk to our academic expert!
Similar Questions
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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