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WorksheetsTLA 2.3 Zener Diodes
Total questions: 10
Worksheet time: 5mins
The process of emitting photons from a semiconductive material is called
photoluminescence.
gallium arsenide.
electroluminescence.
gallium phosphide.
What is the normal operating region of a zener diode?
forward-bias region.
reverse-bias region.
zero-crossing region.
reverse-breakdown region.
Given the following:
8.2 V Zener
R = 5Ω
I= 25 mA
Find the voltage across its terminals.
8.2 V.
125 mV.
8.325 V.
8.075 V.
If the load current increases, Ir will ______ and Iz will ______.
remain the same, increase
decrease, remain the same
increase, remain the same
remain the same, decrease
IF Vin increases, what will happen to Vr?
increase.
decrease.
remain the same.
none of these
If we attempt to increase the input voltage, what happens to the Zener current?
increases
decreases
remains the same
none of these
If we attempt to increase the input voltage, what will happen to the resistor current?
increases
decreases
remains the same
none of these
Zener diodes with breakdown voltages less than 5 V operate predominantly in what type of breakdown?
avalanche
zener
varactor
Schottky
Zener diodes with breakdown voltages greater than 5 V operate predominantly in what type of breakdown?
avalanche
zener
varactor
Schottky
The current regulator diode keeps its forward current at a constant specified value.
True
False
Mostly true.
Mostly false
