NCTI Installer Technician questions with correct answers

20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) Answer 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. Answer Third A semiconductor material Answer Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is Answer The number of electrons in the valence shell. Elements that are called conductors Answer Have very few valence electrons. The term voltage normally refers to Answer The measurement of the difference in potential between two charges. The ampere Answer Indicates how many coulombs pass a given point during 1 second. Electric current is actually produced by Answer The transfer of energy from valence electron to valence electron as a result of applied charges.