Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 4 (Q.No. 17)
17.
An astable multivibrator circuit using IC 555 timer is shown below. Assume that the circuit is oscillating steadily
The voltage Vc across capacitor varies between
The voltage Vc across capacitor varies between
Answer: Option
Explanation:
Charging and discharging level of capacitor will be the voltage across it.
This is equal to 
Vcc and 
Vcc.
Thus 3V to 6V is the voltage VC across the capacitor.
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