Electronic Principles A battery is a device composed of one or more: piezoeletric cells voltage generators solar cells chemical cells None of these piezoeletric cells voltage generators solar cells chemical cells None of these ANSWER DOWNLOAD EXAMIANS APP
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 their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button None of these you are not pressing the button its contact remain open its contact remain open you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance 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 = I2R E = PR I = E/R None of these I = ER E = I2R E = PR I = E/R None of these I = ER ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from 10% of the peak value to 70.7% of the peak value from zero to its rms value from 10% of the peak value to 90% of the peak value ANSWER DOWNLOAD EXAMIANS APP
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