Electronics ETA Certification Practice Exam 2024 questions and complete 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