Q.1.
For increasing the voltage rating, zeners are connected in ___________
Q.2.
Two similar 15 V Zeners are connected in series. What is the regulated output voltage?
Q.3.
If the load current drawn by unregulated power supply increases, the d.c. output voltage ___________
Q.4.
When load current is zero, the Zener current will be
Q.5.
An ideal regulated power supply is one which has voltage regulation of ___________
Q.6.
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?
Q.7.
A 30 V Zener will have depletion layer width ___________ that of 10 V Zener
Q.8.
A Zener voltage regulator is used for ___________ load currents
Q.9.
A Zener diode that has very narrow depletion layer will breakdown by mechanism
Q.10.
The load voltage is approximately constant when a Zener diode is ___________
Q.11.
A power supply has a voltage regulation of 1%. If the no-load voltage is 20 V, what is the full-load voltage?
Q.12.
In a Zener voltage regulator, the changes in load current produce changes in ___________