Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R I = P/E P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain None of these equals the collector current divided by the base current is contant varies slightly varies enormously None of these equals the collector current divided by the base current is contant varies slightly varies enormously ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 None of these 1 4 29 18 None of these 1 4 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? None of these Neutral Strong Weak Impossible to say None of these Neutral Strong Weak Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V None of these 18 V 12 V 24 V 30 V None of these 18 V 12 V 24 V ANSWER DOWNLOAD EXAMIANS APP
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