CET Exam Section 2 – Study Guide and Practice Questions for Certified Electronics Technician
Certification
Opening and closing vinyl envelopes used to carry work instructions, with 10-20% relative
humidity, electro-static voltages can reach as high as - correct answer ✔✔7,000v
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 is impedance? - correct answer ✔✔The resistance of a component at a given frequency
A resistor has three color bands of red, brown and brown. What is the ohmic value of this
resistor? - correct answer ✔✔210 Ohms
What components value is measured in millihenries? - correct answer ✔✔Inductor
Ohm's Law characterizes the relationship between: - correct answer ✔✔Power, resistance,
current and voltage.
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
Using a scientific calculator, a 3300 ohm resistor can be entered with scientific notation as: -
correct answer ✔✔3.3 * 10^3.
Total resistance in a series circuit equals: - correct answer ✔✔the sum of all resistor values
within the circuit.
Certification
Opening and closing vinyl envelopes used to carry work instructions, with 10-20% relative
humidity, electro-static voltages can reach as high as - correct answer ✔✔7,000v
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 is impedance? - correct answer ✔✔The resistance of a component at a given frequency
A resistor has three color bands of red, brown and brown. What is the ohmic value of this
resistor? - correct answer ✔✔210 Ohms
What components value is measured in millihenries? - correct answer ✔✔Inductor
Ohm's Law characterizes the relationship between: - correct answer ✔✔Power, resistance,
current and voltage.
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
Using a scientific calculator, a 3300 ohm resistor can be entered with scientific notation as: -
correct answer ✔✔3.3 * 10^3.
Total resistance in a series circuit equals: - correct answer ✔✔the sum of all resistor values
within the circuit.
