Answer to Question #280035 in Electricity and Magnetism for Niel

Electricity and Magnetism

Question #280035

Consider a series circuit including a 4Ω, a 16mH-inductor, and a power supply of 9 volts.

Find the current in the circuit 100μs after the switch is closed?

Expert's answer

"I=\\frac VR(1-e^{-Rt\/L})=0.056\\text{ A}."

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