AMS 116 Unit 4 Exam Questions and
Correct Answers
Question 1
As a lead acid battery charges on a constant voltage charger, what should the rate of
charge indicator show?
Correct Answer
A decreasing charging rate.
Question 2
When a diode is forward biased, the positive potential of the battery _____ the holes in
the _____ material.
Correct Answer
repels / P-type
Question 3
Which one of the following can a transformer not be used for?
Correct Answer
Step up power
Question 4
A secondary cell _____.
Correct Answer
is one that can be recharged.
Page 1 of 30
,Question 5
A transistorized lighting circuit uses a PNP transistor. What potential would need to
be applied to the transistor's base to turn on the lamp?
Correct Answer
Negative
Question 6
The amount that a PNP transistor conducts can be varied by varying the bias voltage
on its _____.
Correct Answer
Base
Question 7
Which part(s) of an NPN transistor must be forward biased for proper operation?
Correct Answer
Emitter
Base
Question 8
In a transistorized lighting circuit, the brightness of a lamp can be controlled by
varying the gain of the transistor.
Correct Answer
True
Question 9
During battery recharge, electrons are "pushed" into the battery's negative terminal.
Correct Answer
True
Page 2 of 30
, Question 10
Which statement describes the AND gate?
Correct Answer
All inputs must be high for a high output.
Question 11
Unlike closed circuit voltage, open circuit voltage does not change and is constant.
Correct Answer
False
Question 12
The scale on the float of a hydrometer is typically only accurate at _____.
Correct Answer
80 degrees F.
Question 13
The hydrometer measures the specific gravity of the electrolyte by using a float.
Correct Answer
True
Question 14
The "anode" of a diode is made of ______ semiconductor material.
Correct Answer
P-type
Question 15
What voltage would need to be applied to the collector of a PNP transistor to make it
conduct?
Correct Answer
Negative voltage
Page 3 of 30
Correct Answers
Question 1
As a lead acid battery charges on a constant voltage charger, what should the rate of
charge indicator show?
Correct Answer
A decreasing charging rate.
Question 2
When a diode is forward biased, the positive potential of the battery _____ the holes in
the _____ material.
Correct Answer
repels / P-type
Question 3
Which one of the following can a transformer not be used for?
Correct Answer
Step up power
Question 4
A secondary cell _____.
Correct Answer
is one that can be recharged.
Page 1 of 30
,Question 5
A transistorized lighting circuit uses a PNP transistor. What potential would need to
be applied to the transistor's base to turn on the lamp?
Correct Answer
Negative
Question 6
The amount that a PNP transistor conducts can be varied by varying the bias voltage
on its _____.
Correct Answer
Base
Question 7
Which part(s) of an NPN transistor must be forward biased for proper operation?
Correct Answer
Emitter
Base
Question 8
In a transistorized lighting circuit, the brightness of a lamp can be controlled by
varying the gain of the transistor.
Correct Answer
True
Question 9
During battery recharge, electrons are "pushed" into the battery's negative terminal.
Correct Answer
True
Page 2 of 30
, Question 10
Which statement describes the AND gate?
Correct Answer
All inputs must be high for a high output.
Question 11
Unlike closed circuit voltage, open circuit voltage does not change and is constant.
Correct Answer
False
Question 12
The scale on the float of a hydrometer is typically only accurate at _____.
Correct Answer
80 degrees F.
Question 13
The hydrometer measures the specific gravity of the electrolyte by using a float.
Correct Answer
True
Question 14
The "anode" of a diode is made of ______ semiconductor material.
Correct Answer
P-type
Question 15
What voltage would need to be applied to the collector of a PNP transistor to make it
conduct?
Correct Answer
Negative voltage
Page 3 of 30
