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 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 None of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductance of a series inductor circuit is: equal to the sum of the individual inductance values less than the value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values equal to the sum of the individual inductance values less than the value of the smallest inductor None of these equal to the source voltage divided by total current equal to the sum of the individual inductive-reactance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 707 V 700 V 208 V None of these 651 V 707 V 700 V 208 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 29 1 4 18 None of these 29 1 4 18 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: chemical cell thermocouple None of these solar cell electric device chemical cell thermocouple None of these solar cell electric device ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 4 2 1 3 None of these 4 2 1 3 None of these ANSWER DOWNLOAD EXAMIANS APP
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