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 The higher the amplitude of a waveform, the higher its frequency None of these 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 The higher the amplitude of a waveform, the higher its frequency None of these The longer the period of a waveform, the lower its frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or more None of these 20 k Ohm or more 200 k Ohm or less 20 km or less 200 k Ohm or more None of these 20 k Ohm or more 200 k Ohm or less 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 2 k Ohm 1 k Ohm 10 k Ohm None of these 20 k Ohm 2 k Ohm 1 k Ohm 10 k Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature None of these Stays the same Increases Decreases 0oC None of these Stays the same Increases Decreases 0oC ANSWER DOWNLOAD EXAMIANS APP
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 3 2 43891 None of these 43922 3 2 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Norton's theorem replaces a complicated circuit facing a load by an None of these Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor None of these Ideal current source and series resistor Ideal current source and parallel resistor Ideal voltage source and parallel resistor Ideal voltage source and series resistor ANSWER DOWNLOAD EXAMIANS APP
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