Digital Electronics - Multivibrators and 555 Timer - Discussion

Discussion Forum : Multivibrators and 555 Timer - General Questions (Q.No. 23)
23.

What is the duty cycle of the waveform at the output of the circuit given below?

78%
56%
50%
44%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Sandhiya said:   6 years ago
Got the same answer. TQ for the solution. Helped me to avoid confusion.

Ramkamal said:   9 years ago
@Lokesh.

There have not needed to convert in ohm. Because Ra& Rb both are in k.ohm i.e. Same unit. But the answer is 56%.

Lokesh said:   1 decade ago
Duty cycle = Ra+Rb/Ra+2*Rb.

(3.3+12)*10^6/(3.3+2*12)*10^6.

(3.3+12)/(3.3+2*12).

15.3/27.3 = .56 = 56%.

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