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# Electrical Engineering - Time Response of Reactive Circuits

### Exercise

"Success has many fathers, while failure is an orphan."
- (Proverb)
1.

When a 15 V input pulse with a width equal to two time constants is applied to an RC integrator, the capacitor charges to

 A. 15 V B. 12.9 V C. 8.6 V D. 19.45 V

2.

An integrator consists of a 3.3 k resistor and a 2 F capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?

 A. 10.3 V B. 30 V C. 12.09 V D. 17.91 V

3.

Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 ?

 A. 300 s B. 600 s C. 900 s D. 1.5 ms

4.

With an RL integrator, at the instant of the rising pulse edge,

 A. all the input voltage is across the resistor B. all the input voltage is across the inductor C. 63 percent of the input voltage is across the resistor D. 63 percent of the input voltage is across the inductor

5.

When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to

 A. 0 V B. 12 V C. 6.3 V D. 7.56 V