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 24 V 4.73 600 V 0.4 V None of these 24 V 4.73 600 V 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: None of these amperes per second henrys volts per second Ohm None of these amperes per second henrys volts per second Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: All of these they have the same amplitude and frequency 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 All of these they have the same amplitude and frequency 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy less than the free electrons None of these Same number as free electrons many Only those produced by thermal energy less than the free electrons None of these Same number as free electrons many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Neither Impossible to say None of these Primary voltage Secondary voltage Neither Impossible to say None of these Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Weak Neutral Impossible to say Strong None of these Weak Neutral Impossible to say Strong ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS