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Q1:

The output pulse width for a 555 monostable circuit with R1 = 3.3 k and C1 = 0.02 F is ________.

A
7.3 s

B
73 s

C
7.3 ms

D
73 ms

ANS:B -

73 s

T = 1.1 *R*C.
T = 1.1 * (3.3 * 10^3) * (0.02 * 10^-6),
T = 0.0726 * 10^-3,
T = 73 μS.



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