Author Question: How much voltage is dropped across a 150 F capacitor after 3.33 seconds if it is charged by a 50 V ... (Read 129 times)

sammy · **on:** Jul 28, 2018

How much voltage is dropped across a 150 F capacitor after 3.33 seconds if it is charged by a 50 V source through a 22 K resistor?

A) 31.8 V B) 47.5 V C) 43.3 V D) 49 V

Question 2

If an RC integrator uses a 47F capacitor, a 12 k resistor and a square wave input with a frequency of 200 kHz, its approximate output is ________.

A) a square wave with a frequency of 100 kHz
B) a near dc voltage of about half the peak square wave voltage
C) a square wave with a frequency of 200 kHz
D) 0 V