1.

A circuit contains an ideal cell and an inductor with a switch. Initially, the switch is open. It is closed at `t = 0`. Find the current as a function of time.

Answer» `epsilon=L(di)/(dt) rArr underset(0)overset(i)int epsilon dt=underset(0)overset(i)int epsilon Ldi`
`epsilont=Li rArri=(epsilont)/L`


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