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Flip-Flops - Technical MCQs

Q1:

A 555 operating as a monostable multivibrator has an R1 of 220 k. Determine C1 for a pulse width of 4 ms.

A 0.017 F

B
17 pF

C
170 pF

D
1,700 F

ANS:A - 0.017 F

Pulse width = 1.1RC.

C = 4m/1.1* 220k.

0.017 micro.