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Problem 4 of 4

RL Natural Response: Resistor Voltage

Random numbersNATHard

The switch has been closed for a long time and opens at t=0t = 0. Find vRv_R (with the polarity shown) at t=0.02 mst = 0.02\ \text{ms}, in volts.

Is​11 mAR0​5 kΩt = 0L0.1 HR4 kΩ+−vR​iL​
V

Answers within 2% are accepted. Units with SI prefixes work too, like 0.003 A or 3 mA. Use a minus sign for negative values.

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