Physics · Electronic Circuits
In an astable multivibrator circuit using an IC 555 timer with a supply voltage Vcc = 9 V, assuming the circuit is oscillating steadily, the voltage Vc across the timing capacitor varies between:
- 13.6 V to 5 V
- 23.6 V to 6 V
- 33 V to 6 V✓
- 43 V to 5 V
Correct answer
3 V to 6 V
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