Electronic Principles Current and voltage are said to be in phase when: None of these they have the same amplitude and frequency 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 None of these they have the same amplitude and frequency 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = IE P = E2/R None of these P = I2R I = P/E P = IE P = E2/R None of these P = I2R I = P/E 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? I = E/R I = ER E = PR None of these E = I2R I = E/R I = ER E = PR None of these E = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern None of these that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole that has its molecules arranged in a random pattern None of these that would be repelled by the south pole of another magnet that would be attracted to the earth's north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: None of these chemical cells piezoeletric cells voltage generators solar cells None of these chemical cells piezoeletric cells voltage generators solar cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Operating in the breakdwon region Forward-biased None of these Nonconducting Reverse-biased Operating in the breakdwon region Forward-biased None of these Nonconducting Reverse-biased ANSWER DOWNLOAD EXAMIANS APP