TPC Basic Electricity & Electronics
Exam Questions and Answers 100%
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All modern electrical equipment is based on an understanding of the relationship
between _________
and _________. - ✔✔electricity; magnetism
If a gap exists in an electric circuit, the circuit is said to be - ✔✔open
Atomic particles that have a positive electrical charge are called - ✔✔protons
Static electricity - ✔✔does not move
You may find electricity easier to understand if you think of voltage as electrical -
✔✔pressure
Identical cells connected in __________ provide greater _________ than a single cell. -
✔✔parallel; current capacity
You must be careful when recharging lead-acid batteries because they - ✔✔can explode
can throw acid around the area
Brittie Donald, All Rights Reserved © 2025 1
, produce flammable gases
"all of the above" ALL IS ANSWER
The negative plate in an electrochemical cell is called the - ✔✔cathode
Which device for producing a potential difference consists of two different metals
welded together? - ✔✔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. - ✔✔higher
The purpose of a potentiometer is to - ✔✔divide a potential difference into two parts
Power is measured in - ✔✔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 _____________. - ✔✔potentiometers; rheostats
If the fourth color band on a resistor is silver, the measured value of resistance is within
_________% of
the marked value - ✔✔10
Brittie Donald, All Rights Reserved © 2025 2
Exam Questions and Answers 100%
Pass
All modern electrical equipment is based on an understanding of the relationship
between _________
and _________. - ✔✔electricity; magnetism
If a gap exists in an electric circuit, the circuit is said to be - ✔✔open
Atomic particles that have a positive electrical charge are called - ✔✔protons
Static electricity - ✔✔does not move
You may find electricity easier to understand if you think of voltage as electrical -
✔✔pressure
Identical cells connected in __________ provide greater _________ than a single cell. -
✔✔parallel; current capacity
You must be careful when recharging lead-acid batteries because they - ✔✔can explode
can throw acid around the area
Brittie Donald, All Rights Reserved © 2025 1
, produce flammable gases
"all of the above" ALL IS ANSWER
The negative plate in an electrochemical cell is called the - ✔✔cathode
Which device for producing a potential difference consists of two different metals
welded together? - ✔✔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. - ✔✔higher
The purpose of a potentiometer is to - ✔✔divide a potential difference into two parts
Power is measured in - ✔✔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 _____________. - ✔✔potentiometers; rheostats
If the fourth color band on a resistor is silver, the measured value of resistance is within
_________% of
the marked value - ✔✔10
Brittie Donald, All Rights Reserved © 2025 2
