The current through inductor of 2H is gi...

The current through inductor of `2H` is given by `l=2t cos 2t`. The voltage across the inductor is

`-8 sin2t-4t cos2t`

`8t sin2t-4t cos 2t`

`8t sin2t-4 cos2t`

`8t sin2t+4 cos2t`

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