AMS 116 Unit 4 with
questions and well verified
answers actual exam!!!
2026
A "hole" in a semiconductor material has a _____ charge. - ANSWER -positive
The "anode" of a diode is made of ______ semiconductor material. - ANSWER -P-type
Zener diodes will conduct in the reverse direction when a reverse voltage is at or above a
specific value. - ANSWER -True
When a diode is forward biased, the negative potential of the battery ______ the electrons in
the _______ material. - ANSWER -repel / N-type
The cathode of a diode is made of _____ semiconductor material. - ANSWER -N-type
To cause a diode to block current flow it must be reverse biased. - ANSWER -True
A semiconductor is made into N-type or P-type through a process called _____. -
ANSWER -doping
, Two material that are common used as semiconductors are _____ and _____. (choose both
from below) - ANSWER -Germanium
Silicon
Which below symbol is of a standard diode (PN diode)? - ANSWER -A
When a diode is forward bias the depletion region, or zone, _____. - ANSWER -narrows
A light-emitting diode will light up when it is _____________ biased. - ANSWER -forward
You are testing a diode and get the below measurements. What do they tell you about the
diode?
Forward bias = infinite
Reverse bias = infinite - ANSWER -Open
When testing a diode with your digital volt/ohmmeter you should never use the resistance
(ohms) function. - ANSWER -True
You are testing a diode with your digital volt/ohmmeter. How would you connect your meter
to forward bias the diode? - ANSWER -Meter red lead anode
Meter black lead cathode
A full wave bridge rectifier circuit _____. - ANSWER -rectifies the full AC sine wave.
Which rectifier circuit provides the most useful DC output? - ANSWER -Full-wave
rectifier
The below symbol is for a ______ diode. - ANSWER -Zener
A half wave rectifier circuit _____. - ANSWER -only rectifies one half of the AC sine
wave.
questions and well verified
answers actual exam!!!
2026
A "hole" in a semiconductor material has a _____ charge. - ANSWER -positive
The "anode" of a diode is made of ______ semiconductor material. - ANSWER -P-type
Zener diodes will conduct in the reverse direction when a reverse voltage is at or above a
specific value. - ANSWER -True
When a diode is forward biased, the negative potential of the battery ______ the electrons in
the _______ material. - ANSWER -repel / N-type
The cathode of a diode is made of _____ semiconductor material. - ANSWER -N-type
To cause a diode to block current flow it must be reverse biased. - ANSWER -True
A semiconductor is made into N-type or P-type through a process called _____. -
ANSWER -doping
, Two material that are common used as semiconductors are _____ and _____. (choose both
from below) - ANSWER -Germanium
Silicon
Which below symbol is of a standard diode (PN diode)? - ANSWER -A
When a diode is forward bias the depletion region, or zone, _____. - ANSWER -narrows
A light-emitting diode will light up when it is _____________ biased. - ANSWER -forward
You are testing a diode and get the below measurements. What do they tell you about the
diode?
Forward bias = infinite
Reverse bias = infinite - ANSWER -Open
When testing a diode with your digital volt/ohmmeter you should never use the resistance
(ohms) function. - ANSWER -True
You are testing a diode with your digital volt/ohmmeter. How would you connect your meter
to forward bias the diode? - ANSWER -Meter red lead anode
Meter black lead cathode
A full wave bridge rectifier circuit _____. - ANSWER -rectifies the full AC sine wave.
Which rectifier circuit provides the most useful DC output? - ANSWER -Full-wave
rectifier
The below symbol is for a ______ diode. - ANSWER -Zener
A half wave rectifier circuit _____. - ANSWER -only rectifies one half of the AC sine
wave.
