The Zener current will be minimum when ___________
The Zener current will be minimum when ___________
If the load resistance decreases in a Zener regulator, then Zener current ___________
If the load resistance decreases in a Zener regulator, then Zener current ___________
A power supply which has voltage regulation of ___________ is unregulated power supply
A power supply which has voltage regulation of ___________ is unregulated power supply
A Zener diode that has very narrow depletion layer will breakdown by mechanism
A Zener diode that has very narrow depletion layer will breakdown by mechanism
The load voltage is approximately constant when a Zener diode is ___________
The load voltage is approximately constant when a Zener diode is ___________
An ideal regulated power supply is one which has voltage regulation of ___________
An ideal regulated power supply is one which has voltage regulation of ___________
A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________
A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes ___________
If the doping level is increased, the breakdown voltage of the Zener ___________
If the doping level is increased, the breakdown voltage of the Zener ___________
As the junction temperature increases, the voltage breakdown point for Zener mechanism ___________
As the junction temperature increases, the voltage breakdown point for Zener mechanism ___________
If the load current drawn by unregulated power supply increases, the d.c. output voltage ___________
If the load current drawn by unregulated power supply increases, the d.c. output voltage ___________
Which of these is the best description for a Zener diode?
Which of these is the best description for a Zener diode?
A Zener diode is used as a ___________ voltage regulating device
A Zener diode is used as a ___________ voltage regulating device
For increasing the voltage rating, zeners are connected in ___________
For increasing the voltage rating, zeners are connected in ___________
Another name for Zener diode is ___________ diode
Another name for Zener diode is ___________ diode
A power supply can deliver a maximum rated current of 0.5 A at full-load output voltage of 20 V. What is the minimum load resistance that you can connect across the supply?
A power supply can deliver a maximum rated current of 0.5 A at full-load output voltage of 20 V. What is the minimum load resistance that you can connect across the supply?
A power supply has a voltage regulation of 1%. If the no-load voltage is 20 V, what is the full-load voltage?
A power supply has a voltage regulation of 1%. If the no-load voltage is 20 V, what is the full-load voltage?
In an unregulated power supply, if input a.c. voltage increases, the output voltage .
In an unregulated power supply, if input a.c. voltage increases, the output voltage .
A Zener diode utilises ___________ characteristic for voltage regulation
A Zener diode utilises ___________ characteristic for voltage regulation
A Zener diode ___________
A Zener diode ___________
What is true about the breakdown voltage in a Zener diode?
What is true about the breakdown voltage in a Zener diode?
In an unregulated power supply, if load current increases, the output voltage ___________
In an unregulated power supply, if load current increases, the output 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?
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?
A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation?
A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation?
Commercial power supplies have voltage regulation ___________
Commercial power supplies have voltage regulation ___________
As the junction temperature increases, the voltage breakdown point for avalanche mechanism ___________
As the junction temperature increases, the voltage breakdown point for avalanche mechanism ___________
When load current is zero, the Zener current will be
When load current is zero, the Zener current will be
In a loaded Zener regulator, which is the largest Zener current?
In a loaded Zener regulator, which is the largest Zener current?
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?
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?
A 30 V Zener will have depletion layer width ___________ that of 10 V Zener
A 30 V Zener will have depletion layer width ___________ that of 10 V Zener
A Zener regulator ___________ in the power supply
A Zener regulator ___________ in the power supply
In a Zener voltage regulator, the changes in load current produce changes in ___________
In a Zener voltage regulator, the changes in load current produce changes in ___________
A Zener voltage regulator is used for ___________ load currents
A Zener voltage regulator is used for ___________ load currents
The rupture of covalent bonds will occur when the electric field is ___________
The rupture of covalent bonds will occur when the electric field is ___________
Two similar 15 V Zeners are connected in series. What is the regulated output voltage?
Two similar 15 V Zeners are connected in series. What is the regulated output voltage?
The current in a Zener diode is limited by ___________
The current in a Zener diode is limited by ___________
Zener diode are generally made of ___________
Zener diode are generally made of ___________
In a 15 V Zener diode , the breakdown mechanism will occur by ___________
In a 15 V Zener diode , the breakdown mechanism will occur by ___________
