Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 0.4 V 600 V None of these 24 V 4.73 0.4 V 600 V None of these 24 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Linear Nonlinear Bipolar Active None of these Linear Nonlinear Bipolar Active ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like None of these an insulator a battery a piece of copper wire a conductor None of these an insulator a battery a piece of copper wire a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning batteries oscillators generators None of these lightning batteries oscillators generators None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V 10.17 V 0.17 V 20 V None of these 18.8 V 10.17 V 0.17 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency None of these The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency None of these The higher the amplitude of a waveform, the higher its frequency The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP