What is the output voltage at the end of the input pulse from an RL integrator that uses a 400 mH inductor, a 5 kΩ resistor and a 5 V, 1.2 ms input pulse?
A)4.75 V
B)4.532 V
C)5 V
D)3.16 V

Question

Quizplus · Accepted Answer

An RL integrator outputs the same voltage as the input pulse at the end of the pulse duration, assuming the pulse duration is much longer than the time constant (L/R). Here, the time constant is 0.08 ms, which is much shorter than the 1.2 ms pulse duration, so the output voltage is 5 V.

What Is the Output Voltage at the End of the Input