Write the expression for the circuit e and i

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A dc current of 200 mA is switched into a circuit at t=0 write the expression for the circuit i(t) and sketch it?

A dc voltage of 12 V is switched on at t=5 s, write the expression for the circuit e(t) and sketch it?

A dc current of 80 mA is switched on at t=200 ms, write the expression for the current i(t) and sketch it?

A certain time is used as a reference for t= 0 in a problem . A certain dc voltage of 60 V is switched on 8 s prior to the reference time, write an expression for the voltage e(t) and sketch it?

sketch the voltage waveform given by : e(t) = 20u(3t-15)

Reference no: EM13259362

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