Electronics ETA Certification Practice Exam Questions and Answers 100% Pass
Electronics ETA Certification Practice Exam Questions and Answers 100% Pass The "triboelectric effect" causes what kind of electricity? - Answer- Static The law of static electrical charges states: - Answer- like charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - Answer- Atoms A molecule is the smallest particle of matter that can exist by itself. (1) - Answer- True (1) A basic atom must contain what two types of subatomic particles? - Answer- Electron and proton An electron has _______________. - Answer- a Negative charge What two types of energy are used throughout electronics? - Answer- Kinetic and potential Electrical direct current flowing in a wire produces a magnetic field: - Answer- at right angles to current flow A material is magnetized when the: - Answer- domains are in alignment A material that can be magnetized easily falls into this category: - Answer- Ferromagnetic Invisible lines of force that surround a magnet are called ___________________. - Answer- magnetic flux lines The pole of a magnet from which flux leaves is called the __________________. - Answer- north _________________ force produces magnetic flux. - Answer- Magnetomotive What class of fire extinguisher is used on an oil fire? - Answer- B It is dangerous to use wooden handled tools around high voltage due to their ability to absorb moisture. (2) - Answer- True (2) In order to eliminate possible fire hazards, rags should be stored in ________________ - Answer- metal containers When an individual receives an electrical shock, an immediate symptom can be _______________. - Answer- Cardiac arrest What happens as protective eye goggles age? - Answer- Their resistanc
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- 14 de mayo de 2024
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- 2023/2024
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