Flip-Flops

A 555 operating as a monostable multivibrator has a C₁ = 100 F. Determine R₁ for a pulse width of 500 ms.

A 45

B

455

C

4.5 k

D

455 k

ANS:C -

4.5 k

Pulse width(w) = 1.1*RC
Given that W = 500*10^-3
C=100*10^-3
From formula R=4.5K

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