EE 201 Circuits G. Tuttle

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


For the circuit shown,

  • R = 12 Ω
  • L = 6.8 mH

For the RL circuit, the source has been at an initial current value of Ii = 6 A for a long time.
At t = 0, the source current abruptly jumps to If = 24 A.

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

Calculate the time when the inductor current will be equal to 18 A and calculate the inductor voltage at that time.

Answer