ETA/CET – Study Guide and Practice Questions for Electronics Technician
Certification Exam Preparation
What is impedance? - correct answer ✔✔The resistance of a component at a given frequency
A two terminal device that conducts in only one direction. - correct answer ✔✔Diode
Insulating board containing conductive tracks for circuit connections. - correct answer
✔✔Printed Circuit Board
An electrical device used to store electrical charge. - correct answer ✔✔Capacitor
When did the ETA initiate renewal? - correct answer ✔✔1996
all ETA certifications require the passage of the associate CET exam? - correct answer ✔✔False
to qualify for master CET status, the examinee must attain a score of 85% on each separate
exam? - correct answer ✔✔False
The coaxial cable leading to a cable TV is a 75 ohm transmission line. If you
use 10Base2 coax cable for networking, that is a _____ ohm transmission line. - correct answer
✔✔50
an associate CET cannot attempt one of the specialty exams? - correct answer ✔✔false
renewal requires payment of a fee and retesting or providing at least 40 hours of upgrade
training within a 4 year period? - correct answer ✔✔true
,a worker may become certified by ETA as a CST without also becomming certified as a CET? -
correct answer ✔✔true
B+, or supply voltages in electronics products are considered to be: - correct answer ✔✔+12V to
300V DC
leakage current in an electronic product, between either of the AC power cord conductors and
the chassis or any other exposed metal parts should not exceed: - correct answer ✔✔500
microamps
the associate CET exam may be taken after the journeyman exam? - correct answer ✔✔false
shaded components on electronic schematics mean: - correct answer ✔✔only exact
replacement parts may be used
ingested solder fumes or particles_____ - correct answer ✔✔are toxic
second degree skin burns should ______ - correct answer ✔✔not be treated with ice and
bandage pack
ESD and static discharge is most destructive to: - correct answer ✔✔CMOS semiconductors
if you have never recieved formal training and practiced cpr on a person or dummy, in the event
of finding a fellow worker not breathing, you_________. - correct answer ✔✔should not
attempt it, but call for help
when working at heights above 6 feet, a _____ is required by OSHA rules. - correct answer
✔✔full body harness attached to a lanyard which prevents more than a 6' drop.
,What is meant by "transformer action"? - correct answer ✔✔The transfer of energy from one
circuit to another circuit by
electromagnetic induction
residual voltage is associated with ______. - correct answer ✔✔charge retained by capacitors.
What does the acronym ESD stand for? - correct answer ✔✔Electrostatic Discharge
Current amounts between ______ and _____ can be lethal. - correct answer ✔✔100mA,
200mA
What is the number one concern in regards to electrical safety? - correct answer ✔✔Shock
Bohr's Atomic Model consists of what three components? - correct answer ✔✔Protons,
neutrons and electrons
Electrons are arranged in _____ around a nucleus. - correct answer ✔✔shells
What are three types of materials used in electronics? - correct answer ✔✔Conductors, semi-
conductors and insulators
In the United States there are five common classifications of fires, which are: - correct answer
✔✔A, B, C, D, K.
Coulomb's Law describes the forces of attraction or repulsion between
electrical charges, which are ______________ to the product of the charges
, ______________ to the distance between them. - correct answer ✔✔directly proportional,
inversely proportional
The magnetic field that surrounds a magnet can best be described as
invisible lines of force, and are commonly referred to as: - correct answer ✔✔lines of flux.
An analog multimeter (AMM) checks for: - correct answer ✔✔voltage, current and resistance.
An oscilloscope with two vertical inputs, is commonly referred to as a
_______ oscilloscope. - correct answer ✔✔dual-trace
Voltage or potential difference is the measure of potential energy between
two points in a circuit and is commonly referred to as: - correct answer ✔✔voltage drop.
What components value is measured in millihenries? - correct answer ✔✔Inductor
Ohm's Law characterizes the relationship between: - correct answer ✔✔power, resistance,
current and voltage.
A resistor has three color bands of red, brown and brown. What is the ohmic
value of this resistor? - correct answer ✔✔210 Ohms
Ohm's Law states that resistance is calculated by voltage divided by current.
Using Ohms law, how do you determine power? - correct answer ✔✔Voltage times current
Total resistance in a series circuit equals: - correct answer ✔✔the sum of all the resistor values
within the circuit.
Certification Exam Preparation
What is impedance? - correct answer ✔✔The resistance of a component at a given frequency
A two terminal device that conducts in only one direction. - correct answer ✔✔Diode
Insulating board containing conductive tracks for circuit connections. - correct answer
✔✔Printed Circuit Board
An electrical device used to store electrical charge. - correct answer ✔✔Capacitor
When did the ETA initiate renewal? - correct answer ✔✔1996
all ETA certifications require the passage of the associate CET exam? - correct answer ✔✔False
to qualify for master CET status, the examinee must attain a score of 85% on each separate
exam? - correct answer ✔✔False
The coaxial cable leading to a cable TV is a 75 ohm transmission line. If you
use 10Base2 coax cable for networking, that is a _____ ohm transmission line. - correct answer
✔✔50
an associate CET cannot attempt one of the specialty exams? - correct answer ✔✔false
renewal requires payment of a fee and retesting or providing at least 40 hours of upgrade
training within a 4 year period? - correct answer ✔✔true
,a worker may become certified by ETA as a CST without also becomming certified as a CET? -
correct answer ✔✔true
B+, or supply voltages in electronics products are considered to be: - correct answer ✔✔+12V to
300V DC
leakage current in an electronic product, between either of the AC power cord conductors and
the chassis or any other exposed metal parts should not exceed: - correct answer ✔✔500
microamps
the associate CET exam may be taken after the journeyman exam? - correct answer ✔✔false
shaded components on electronic schematics mean: - correct answer ✔✔only exact
replacement parts may be used
ingested solder fumes or particles_____ - correct answer ✔✔are toxic
second degree skin burns should ______ - correct answer ✔✔not be treated with ice and
bandage pack
ESD and static discharge is most destructive to: - correct answer ✔✔CMOS semiconductors
if you have never recieved formal training and practiced cpr on a person or dummy, in the event
of finding a fellow worker not breathing, you_________. - correct answer ✔✔should not
attempt it, but call for help
when working at heights above 6 feet, a _____ is required by OSHA rules. - correct answer
✔✔full body harness attached to a lanyard which prevents more than a 6' drop.
,What is meant by "transformer action"? - correct answer ✔✔The transfer of energy from one
circuit to another circuit by
electromagnetic induction
residual voltage is associated with ______. - correct answer ✔✔charge retained by capacitors.
What does the acronym ESD stand for? - correct answer ✔✔Electrostatic Discharge
Current amounts between ______ and _____ can be lethal. - correct answer ✔✔100mA,
200mA
What is the number one concern in regards to electrical safety? - correct answer ✔✔Shock
Bohr's Atomic Model consists of what three components? - correct answer ✔✔Protons,
neutrons and electrons
Electrons are arranged in _____ around a nucleus. - correct answer ✔✔shells
What are three types of materials used in electronics? - correct answer ✔✔Conductors, semi-
conductors and insulators
In the United States there are five common classifications of fires, which are: - correct answer
✔✔A, B, C, D, K.
Coulomb's Law describes the forces of attraction or repulsion between
electrical charges, which are ______________ to the product of the charges
, ______________ to the distance between them. - correct answer ✔✔directly proportional,
inversely proportional
The magnetic field that surrounds a magnet can best be described as
invisible lines of force, and are commonly referred to as: - correct answer ✔✔lines of flux.
An analog multimeter (AMM) checks for: - correct answer ✔✔voltage, current and resistance.
An oscilloscope with two vertical inputs, is commonly referred to as a
_______ oscilloscope. - correct answer ✔✔dual-trace
Voltage or potential difference is the measure of potential energy between
two points in a circuit and is commonly referred to as: - correct answer ✔✔voltage drop.
What components value is measured in millihenries? - correct answer ✔✔Inductor
Ohm's Law characterizes the relationship between: - correct answer ✔✔power, resistance,
current and voltage.
A resistor has three color bands of red, brown and brown. What is the ohmic
value of this resistor? - correct answer ✔✔210 Ohms
Ohm's Law states that resistance is calculated by voltage divided by current.
Using Ohms law, how do you determine power? - correct answer ✔✔Voltage times current
Total resistance in a series circuit equals: - correct answer ✔✔the sum of all the resistor values
within the circuit.
