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Q1:
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

A 3 V to 5 V

B 3 V to 6 V

C 3.6 V to 6 V

D 3.6 V to 5 V

ANS:B - 3 V to 6 V

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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