railway RRB JE (CBT I + CBT II) Mock Test 2024 Analog Electronics Power Amplifiers and 555 Timer and Voltage Regulators 555 Timer
What is the function of the discharge transistor in a 555 timer circuit?
1
To start the timing by charging the external capacitor
2
To stop the timing by charging the external capacitor
3
To stop the timing by discharging the external capacitor
4
To start the timing by discharging the external capacitor