Electronic Principles Current and voltage are said to be in phase when: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values equal to the source voltage divided by total current None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance Zero internal resistance None of these A small internal resistance A large internal resistance Infinite internal resistance Zero internal resistance None of these A small internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 0.25 µA 250 µA None of these 300 µA 350 µA 0.25 µA 250 µA None of these 300 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning None of these oscillators generators batteries lightning None of these oscillators generators batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 7.5 V None of these 15 V 8 V 16 V 7.5 V None of these 15 V 8 V ANSWER DOWNLOAD EXAMIANS APP
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