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? 1 k Ohm 10 k Ohm 20 k Ohm None of these 2 k Ohm 1 k Ohm 10 k Ohm 20 k Ohm None of these 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 60 Ohm 10 Ohm 100 Ohm or more 50 Ohm None of these 60 Ohm 10 Ohm 100 Ohm or more 50 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Two - a negative terminal and a positive terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals One - a negative terminal Two - a negative terminal and a positive terminal None of these Four - two negative and two positive Three - negative, positive and neutral terminals 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 Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these The longer the period of a waveform, the lower its frequency 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 None of these The longer the period of a waveform, the lower its frequency The actual frequency of a sine waveform is 1.41 times the working frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop brush commutator armature None of these loop brush commutator armature None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? None of these Solar energy Mechanical energy Light energy Chemical energy None of these Solar energy Mechanical energy Light energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
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