Electronic Principles Current and voltage are said to be in phase when: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons many holes None of these a few free electrons and holes No holes many free electrons many holes None of these a few free electrons and holes No holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually None of these Nonconducting Reverse-biased Forward-biased Operating in the breakdwon region None of these Nonconducting Reverse-biased Forward-biased Operating in the breakdwon region ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell chemical cell electric device None of these thermocouple solar cell chemical cell electric device None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Flux density Number of lines of force None of these Magnetomotive force Reluctance Flux density Number of lines of force None of these Magnetomotive force Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = PR I = E/R None of these I = ER E = I2R E = PR I = E/R None of these I = ER E = I2R ANSWER DOWNLOAD EXAMIANS APP
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