Electronic Principles The rotating coil of wire in an electric motor is called the: brush loop None of these commutator armature brush loop None of these commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Negative charges Crystals Positive charges Atoms None of these Negative charges Crystals Positive charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 12 V 24 V 30 V 18 V None of these 12 V 24 V 30 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither None of these Secondary voltage Primary voltage Impossible to say Neither None of these Secondary voltage Primary voltage Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom None of these An electron that costs nothing An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom None of these ANSWER DOWNLOAD EXAMIANS APP
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