Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 300 mA None of these 200 mA 7.8 mA 208 mA 300 mA None of these 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? None of these Power dissipation of a pure capacitor decreases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these None of these Power dissipation of a pure capacitor decreases with operating frequency There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles 1 Microfarad is the same as: 1 million farads 1 million picofarads 1000 millifarads None of these 1 millionth of a picofarad 1 million farads 1 million picofarads 1000 millifarads None of these 1 millionth of a picofarad ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential Applied voltage Forward voltage None of these Breakdown voltage Barrier potential Applied voltage Forward voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has no electrical charge An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS