Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Voltmeter Ammeter None of these Ohmmeter Wattmeter Voltmeter Ammeter None of these Ohmmeter Wattmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 220 ohm 690 ohm 445 ohm None of these 150 ohm 220 ohm 690 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value None of these the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value 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 their waveforms are both ac or both dc they have the same amplitude and frequency All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc they have the same amplitude and frequency All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a None of these Semiconductor Covalent bond Crystal Valence orbit None of these Semiconductor Covalent bond Crystal Valence orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP