Electricity and Magnetism

Induced EMF

Problem by zainul abidin
30 Nov 1999 00:00 WIB
An electric current $I=t^2-t^3$ flow across a solenoid with inductance 50 mH. Find the magnitude of the induced emf at (a) t=1 s  (b) t=4 s.(c) at what time is the emf zero?