Electronic Principles Current and voltage are said to be in phase when: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Forward-biased None of these Nonconducting Reverse-biased Operating in the breakdown region Forward-biased None of these Nonconducting Reverse-biased Operating in the breakdown region ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode None of these thermocouple photo transistor solar cell photodiode None of these thermocouple photo transistor solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude the time required to complete one full cycle None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates None of these increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP