Electronics ETA Certification Practice Exam Questions with 100% Correct Answers

Electronics ETA Certification Practice Exam Questions with 100% Correct Answers The "triboelectric effect" causes what kind of electricity? - answerStatic The law of static electrical charges states: - answerlike charges repel Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. - answerAtoms A molecule is the smallest particle of matter that can exist by itself. (1) - answerTrue (1) A basic atom must contain what two types of subatomic particles? - answerElectron and proton An electron has _______________. - answera Negative charge What two types of energy are used throughout electronics? - answerKinetic and potential Electrical direct current flowing in a wire produces a magnetic field: - answerat right angles to current flow A material is magnetized when the: - answerdomains are in alignment A material that can be magnetized easily falls into this category: - answerFerromagnetic Invisible lines of force that surround a magnet are called ___________________. - answermagnetic flux lines The pole of a magnet from which flux leaves is called the __________________. - answernorth _________________ force produces magnetic flux. - answerMagnetomotive What class of fire extinguisher is used on an oil fire? - answerB It is dangerous to use wooden handled tools around high voltage due to their ability to absorb moisture. (2) - answerTrue (2) In order to eliminate possible fire hazards, rags should be stored in ________________ - answermetal containers