Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these armature commutator battery rotor None of these armature commutator battery rotor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Primary voltage Impossible to say None of these Secondary voltage Neither Primary voltage Impossible to say None of these Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 None of these 4 48 14 29 None of these 4 48 14 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Valence electrons None of these Thermal energy Doping Free electrons Valence electrons None of these Thermal energy Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm None of these less than 1 Ohm 690 Ohm 1590 Ohm 312 Ohm None of these less than 1 Ohm 690 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow None of these An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow None of these An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
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