A solenoid has self inductance of 5 mH and the current through it is g – InterviewSolution

1.	A solenoid has self inductance of 5 mH and the current through it is given by i=10t2−20t where t is time in second. At what instant of time, the induced emf will be zero?
Answer» A solenoid has self inductance of $5 mH$ and the current through it is given by $i = 10 t^{2} - 20 t$ where $t$ is time in second. At what instant of time, the induced emf will be zero?

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