Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination None of these Ions Barrier potential Doping Recombination None of these Ions Barrier potential Doping 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? 600 V 4.73 0.4 V None of these 24 V 600 V 4.73 0.4 V None of these 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm less than 1 Ohm None of these 1590 Ohm 312 Ohm 690 Ohm less than 1 Ohm None of these 1590 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 3 V None of these 8 V 16 V 7.5 V 3 V None of these 8 V 16 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
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