Electronics ETA Certification Practice Exam Questions with Detailed Verified Answers

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Electronics ETA Certification Practice Exam
Questions with Detailed Verified Answers

Question: The "triboelectric effect" causes what kind of electricity?

Ans✅ ✅: Static

Question: The law of static electrical charges states:

Ans✅ ✅: like charges repel

Question: Minute particles that make up all possible elements and still
retain the unique chemical characteristics of the element are called
_____________.

Ans✅ ✅: Atoms

Question: A molecule is the smallest particle of matter that can exist by
itself. (1)

Ans✅ ✅: True (1)

Question: A basic atom must contain what two types of subatomic
particles?

Ans✅ ✅: Electron and proton

Question: An electron has _______________.

Ans✅ ✅: a Negative charge

Question: What two types of energy are used throughout electronics?

Ans✅ ✅: Kinetic and potential

Question: Electrical direct current flowing in a wire produces a magnetic
field:

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Ans✅ ✅: at right angles to current flow

Question: A material is magnetized when the:

Ans✅ ✅: domains are in alignment

Question: A material that can be magnetized easily falls into this
category:

Ans✅ ✅: Ferromagnetic

Question: Invisible lines of force that surround a magnet are called
___________________.

Ans✅ ✅: magnetic flux lines

Question: The pole of a magnet from which flux leaves is called the
__________________.

Ans✅ ✅: north

Question: _________________ force produces magnetic flux.

Ans✅ ✅: Magnetomotive

Question: What class of fire extinguisher is used on an oil fire?

Ans✅ ✅: B

Question: It is dangerous to use wooden handled tools around high
voltage due to their ability to absorb moisture. (2)

Ans✅ ✅: True (2)

Question: In order to eliminate possible fire hazards, rags should be
stored in ________________

Ans✅ ✅: metal containers

Question: When an individual receives an electrical shock, an
immediate symptom can be _______________.