Electronic Principles The rotating coil of wire in an electric motor is called the: armature None of these brush loop commutator armature None of these brush loop commutator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 0.5 180 None of these 0.25 4 0.5 180 None of these 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.955 A 0.41666666666667 None of these 0.02 A 2.02 A 0.955 A 0.41666666666667 None of these 0.02 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Operating in the breakdown region Reverse-biased Nonconducting Forward-biased None of these Operating in the breakdown region Reverse-biased Nonconducting Forward-biased None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these their waveforms cross through zero and reach positive and negative peaks at the same time None of these they have the same amplitude and frequency their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values None of these equal to the source voltage divided by total current less than the value of the smallest inductor ANSWER DOWNLOAD EXAMIANS APP
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