Question: The current in a 4 0 - mH inductor is given by the expressions i ( t ) = 0 , t < 0 ;

The current in a 40-mH inductor is given by the expressions i(t)=0, t <0; i(t)=3*te^(-4*t)*A,0< t; NULL; Find (a) the voltage across the inductor, (b) the time at which the current is maximum, and the (c) the time at which the voltage is a minimum.

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