Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43922 43891 3 2 None of these 43922 43891 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators lightning generators None of these batteries oscillators lightning generators None of these batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Positive charges Crystals Atoms Negative charges None of these Positive charges Crystals Atoms Negative charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates None of these increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates decreasing the area of the plates None of these increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz ANSWER DOWNLOAD EXAMIANS APP