Author Question: Which capacitor is necessary to generate a 220 ms pulse at the output of a monostable 555 timer if ... (Read 66 times)

TVarnum · **on:** Jul 28, 2018

Which capacitor is necessary to generate a 220 ms pulse at the output of a monostable 555 timer if RA = 100 k?

A) 2000 F B) 2 F C) 200 pF D) 1200 F

Question 2

A full-wave rectifier requires ________.

A) a high voltage to operate it
B) two diodes and a center-tapped transformer
C) two diodes and a transformer with a single secondary
D) four diodes and a center-tapped transformer