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 20 km or less None of these 20 k Ohm or more 200 k Ohm or less 200 k Ohm or more 20 km or less None of these 20 k Ohm or more 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A diamagnetic material A ferromagnetic material All of these A paramagnetic material None of these A diamagnetic material A ferromagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of None of these Less than 100 k Ohm less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm less than 10 Ohm At least 10 Ohm More than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 2.02 A 0.955 A 0.02 A None of these 0.41666666666667 2.02 A 0.955 A 0.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? 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 Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz 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 The higher the amplitude of a waveform, the higher its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 1 None of these 4 -1 1 None of these 4 -1 ANSWER DOWNLOAD EXAMIANS APP
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