Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 0.7V None of these 1 V 2 m V per degree Celsius 0.3V 0.7V None of these 1 V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency All of these None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value 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? 690 ohm 445 ohm 150 ohm None of these 220 ohm 690 ohm 445 ohm 150 ohm None of these 220 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic n-type Intrinsic p-type None of these Extrinsic n-type Intrinsic p-type None of these ANSWER DOWNLOAD EXAMIANS APP
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