EEE :: Regulated DC Power Supply
- Two similar 15 V Zeners are connected in series. What is the regulated output voltage?
- An ideal regulated power supply is one which has voltage regulation of ___________
- If the input a.c. voltage to regulated or ordinary power supply increases by 5% what will be the approximate change in d.c. output voltage?
- The load voltage is approximately constant when a Zener diode is ___________
- A power supply has a voltage regulation of 1%. If the no-load voltage is 20 V, what is the full-load voltage?
- In a regulated power supply, two similar 15 V zeners are connected in series. The input voltage is 45 V d.c. If each Zener has a maximum current rating of 300 mA, what should be the value of the series resistance?
- As the junction temperature increases, the voltage breakdown point for Zener mechanism ___________
- As the junction temperature increases, the voltage breakdown point for avalanche mechanism ___________
- For increasing the voltage rating, zeners are connected in ___________
- When load current is zero, the Zener current will be