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? None of these 600 V 0.4 V 24 V 4.73 None of these 600 V 0.4 V 24 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm 690 ohm None of these 150 ohm 220 ohm 445 ohm 690 ohm None of these 150 ohm 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Neither Impossible to say None of these Secondary voltage Primary voltage Neither Impossible to say None of these Secondary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these Silicon Copper Germanium All of these None of these Silicon Copper Germanium All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Nonconducting Operating in the breakdown region Forward-biased Reverse-biased None of these Nonconducting Operating in the breakdown region Forward-biased Reverse-biased None of these ANSWER DOWNLOAD EXAMIANS APP
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