EE-TPC Basic Electricity & Electronics
Study Guide Questions All Solved
2026 Edition.
All modern electrical equipment is based on an understanding of the relationship between
_________
and _________. - Answer electricity; magnetism
If a gap exists in an electric circuit, the circuit is said to be - Answer open
Atomic particles that have a positive electrical charge are called - Answer protons
Static electricity - Answer does not move
You may find electricity easier to understand if you think of voltage as electrical - Answer
pressure
Identical cells connected in __________ provide greater _________ than a single cell. - Answer
parallel; current capacity
You must be careful when recharging lead-acid batteries because they - Answer can explode
can throw acid around the area
produce flammable gases
"all of the above" ALL IS ANSWER
The negative plate in an electrochemical cell is called the - Answer cathode
Which device for producing a potential difference consists of two different metals welded
together? - Answer Thermocouple
An optoisolator receives a low-voltage signal on the LED side of the device and triggers a device
that
produces a ___________ voltage on the output side. - Answer higher
The purpose of a potentiometer is to - Answer divide a potential difference into two parts
, Power is measured in - Answer watts
Variable resistors in the range of ^1/_2 to 2 watts are called _____________, while those in the
range of
5 to 1000 watts are called _____________. - Answer potentiometers; rheostats
If the fourth color band on a resistor is silver, the measured value of resistance is within
_________% of
the marked value - Answer 10
Which of the following diode operating specifications defines the maximum potential difference
that can
be applied across a diode in the reverse direction without destroying it? - Answer Peak
inverse voltage
The center section of a transistor is - Answer base
A cathode has a ______________ charge. - Answer negative
In a vacuum tube, the anode is a - Answer metal plate with a positive charge
The maximum current that a semiconductor diode can conduct for part of an ac cycle is called
the
__________ current. - Answer peak rectified
In equations, L stands for inductance in henrys and C stands for capacitance in - Answer
farads
What is the standard frequency of alternating current in the United States? - Answer 60 Hz
One complete cycle of alternating current is generated by a _________-degree rotation of a
two-pole
alternator. - Answer 360
Power companies use _________ generators and transformers for cost-effective transmission
over long
distances. In contrast, _________ power cannot be transformed. - Answer ac, dc
Study Guide Questions All Solved
2026 Edition.
All modern electrical equipment is based on an understanding of the relationship between
_________
and _________. - Answer electricity; magnetism
If a gap exists in an electric circuit, the circuit is said to be - Answer open
Atomic particles that have a positive electrical charge are called - Answer protons
Static electricity - Answer does not move
You may find electricity easier to understand if you think of voltage as electrical - Answer
pressure
Identical cells connected in __________ provide greater _________ than a single cell. - Answer
parallel; current capacity
You must be careful when recharging lead-acid batteries because they - Answer can explode
can throw acid around the area
produce flammable gases
"all of the above" ALL IS ANSWER
The negative plate in an electrochemical cell is called the - Answer cathode
Which device for producing a potential difference consists of two different metals welded
together? - Answer Thermocouple
An optoisolator receives a low-voltage signal on the LED side of the device and triggers a device
that
produces a ___________ voltage on the output side. - Answer higher
The purpose of a potentiometer is to - Answer divide a potential difference into two parts
, Power is measured in - Answer watts
Variable resistors in the range of ^1/_2 to 2 watts are called _____________, while those in the
range of
5 to 1000 watts are called _____________. - Answer potentiometers; rheostats
If the fourth color band on a resistor is silver, the measured value of resistance is within
_________% of
the marked value - Answer 10
Which of the following diode operating specifications defines the maximum potential difference
that can
be applied across a diode in the reverse direction without destroying it? - Answer Peak
inverse voltage
The center section of a transistor is - Answer base
A cathode has a ______________ charge. - Answer negative
In a vacuum tube, the anode is a - Answer metal plate with a positive charge
The maximum current that a semiconductor diode can conduct for part of an ac cycle is called
the
__________ current. - Answer peak rectified
In equations, L stands for inductance in henrys and C stands for capacitance in - Answer
farads
What is the standard frequency of alternating current in the United States? - Answer 60 Hz
One complete cycle of alternating current is generated by a _________-degree rotation of a
two-pole
alternator. - Answer 360
Power companies use _________ generators and transformers for cost-effective transmission
over long
distances. In contrast, _________ power cannot be transformed. - Answer ac, dc
