Questions
Current flowing through a coil increases from zero to 5A in 0.02 second. If emf induced in the coil is 30 volt, the self inductance of the coil is
detailed solution
Correct option is A
ε=−Ldidt⇒L=εdidl=305/0.02 Henry = 120 mHTalk to our academic expert!
Similar Questions
A loop, having area 20cm2, is made of thin copper wire. If is placed in a uniform magnetic field of induction 1.5 Tesla with its plane perpendicular to the field. If area of the loop increases to 30 cm2 in 0.5 second, average emf induced in the loop is
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