Electronics ETA 74 Certification Practice Exam Questions with 100% Correct Answers | Verified | Updated 2024
The "triboelectric effect" causes what kind of electricity? - ️️Static The law of static electrical charges states: - ️️like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - ️️Atoms A molecule is the smallest particle of matter that can exist by itself. (1) - ️️True (1) A basic atom must contain what two types of subatomic particles? - ️️Electron and proton An electron has _______________. - ️️a Negative charge What two types of energy are used throughout electronics? - ️️Kinetic and potential Electrical direct current flowing in a wire produces a magnetic field: - ️️at right angles to current flow A material is magnetized when the: - ️️domains are in alignment A material that can be magnetized easily falls into this category: - ️️Ferromagnetic
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