Electronic Principles The rotating coil of wire in an electric motor is called the: None of these brush commutator loop armature None of these brush commutator loop armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Reluctance Permeance Retentivity Permeability There is no valid comparison Reluctance Permeance Retentivity Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 24 V 600 V None of these 4.73 0.4 V 24 V 600 V None of these 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 4 29 None of these 18 1 4 29 None of these 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many Same number as free electrons None of these less than the free electrons Only those produced by thermal energy many Same number as free electrons None of these less than the free electrons Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel Current flowing through a conductor generates a magnetic field None of these Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel; unlike poles attract Like magnetic poles attract; unlike poles repel ANSWER DOWNLOAD EXAMIANS APP
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