EE 201 Circuits G. Tuttle

RL transient practice problems
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Read the RL-transient class notes.


For the circuit shown,

  • R = 22 Ω
  • L = 1 mH
  • IS = 0.23 A

For the RL circuit, the switch has been open for a long time, and it closes abruptly at t = 0.
Prior to the switch closing the inductor current was zero.

Determine the expression for the inductor current as a function of time, for t > 0.

Calculate the inductor current and voltage at t = 0.2273 ms.

Answer