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1(a) Show that the differential equation for the current i in an electrical circuit containing an inductance L and a resistance R in series

1(a) Show that the differential equation for the current i in an electrical circuit containing an inductance L and a resistance R in series and acted on by an electromotive force Esinwt satisfies the equation di + Ri= Esinwt. dt Find the value of the current at any time t, if initially there is no current in the circuit. [10marks]

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