Electronics ETA Certification Practice
Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
The "triboelectric effect" causes what kind of electricity? - CORRECT
ANSWER Static
The law of static electrical charges states: - CORRECT ANSWER like charges repel
Minute particles that make up all possible elements and still retain the unique chemical
characteristics of the element are called _____________. - CORRECT
ANSWER Atoms
A molecule is the smallest particle of matter that can exist by itself. (1) - CORRECT
ANSWER True (1)
A basic atom must contain what two types of subatomic particles? - CORRECT
ANSWER Electron and proton
An electron has _______________. - CORRECT ANSWER a Negative charge
What two types of energy are used throughout electronics? - CORRECT
ANSWER Kinetic and potential
Electrical direct current flowing in a wire produces a magnetic field: - CORRECT
ANSWER at right angles to current flow
A material is magnetized when the: - CORRECT ANSWER domains are in alignment
, A material that can be magnetized easily falls into this category: - CORRECT
ANSWER Ferromagnetic
Invisible lines of force that surround a magnet are called ___________________. -
CORRECT ANSWER magnetic flux lines
The pole of a magnet from which flux leaves is called the __________________. -
CORRECT ANSWER north
_________________ force produces magnetic flux. - CORRECT
ANSWER Magnetomotive
What class of fire extinguisher is used on an oil fire? - CORRECT ANSWER B
It is dangerous to use wooden handled tools around high voltage due to their ability to absorb
moisture. (2) - CORRECT ANSWER True (2)
In order to eliminate possible fire hazards, rags should be stored in ________________ -
CORRECT ANSWER metal containers
When an individual receives an electrical shock, an immediate symptom can be
_______________. - CORRECT ANSWER Cardiac arrest
What happens as protective eye goggles age? - CORRECT ANSWER Their resistance
to scratching decreases
Safety precautions to be followed when working on high-voltage equipment include which of
the following? - CORRECT ANSWER All jewelry should be removed
The main purpose of a safety observer is to: - CORRECT ANSWER turn off
equipment in use and apply emergency first aid or cardiopulmonary resuscitation if needed
Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
The "triboelectric effect" causes what kind of electricity? - CORRECT
ANSWER Static
The law of static electrical charges states: - CORRECT ANSWER like charges repel
Minute particles that make up all possible elements and still retain the unique chemical
characteristics of the element are called _____________. - CORRECT
ANSWER Atoms
A molecule is the smallest particle of matter that can exist by itself. (1) - CORRECT
ANSWER True (1)
A basic atom must contain what two types of subatomic particles? - CORRECT
ANSWER Electron and proton
An electron has _______________. - CORRECT ANSWER a Negative charge
What two types of energy are used throughout electronics? - CORRECT
ANSWER Kinetic and potential
Electrical direct current flowing in a wire produces a magnetic field: - CORRECT
ANSWER at right angles to current flow
A material is magnetized when the: - CORRECT ANSWER domains are in alignment
, A material that can be magnetized easily falls into this category: - CORRECT
ANSWER Ferromagnetic
Invisible lines of force that surround a magnet are called ___________________. -
CORRECT ANSWER magnetic flux lines
The pole of a magnet from which flux leaves is called the __________________. -
CORRECT ANSWER north
_________________ force produces magnetic flux. - CORRECT
ANSWER Magnetomotive
What class of fire extinguisher is used on an oil fire? - CORRECT ANSWER B
It is dangerous to use wooden handled tools around high voltage due to their ability to absorb
moisture. (2) - CORRECT ANSWER True (2)
In order to eliminate possible fire hazards, rags should be stored in ________________ -
CORRECT ANSWER metal containers
When an individual receives an electrical shock, an immediate symptom can be
_______________. - CORRECT ANSWER Cardiac arrest
What happens as protective eye goggles age? - CORRECT ANSWER Their resistance
to scratching decreases
Safety precautions to be followed when working on high-voltage equipment include which of
the following? - CORRECT ANSWER All jewelry should be removed
The main purpose of a safety observer is to: - CORRECT ANSWER turn off
equipment in use and apply emergency first aid or cardiopulmonary resuscitation if needed
