Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 1000 A None of these 100 A 0.1 A 0.41666666666667 1000 A None of these 100 A 0.1 A 0.41666666666667 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 2 None of these 1 4 2 None of these 1 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point upper end of the load line infinity None of these lower end of the load line cutoff point upper end of the load line infinity None of these lower end of the load line 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? 4.73 None of these 0.4 V 24 V 600 V 4.73 None of these 0.4 V 24 V 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature brush loop commutator None of these armature brush loop commutator None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS