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 20 k Ohm 2 k Ohm None of these 10 k Ohm 1 k Ohm 20 k Ohm 2 k Ohm None of these 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: rotary switch None of these toggle switch knife switch momentary push button switch rotary switch None of these toggle switch knife switch momentary push button switch ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 81 None of these 85 9 6 81 None of these 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc None of these they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 W None of these 0.93 V 0.041666666666667 9.3 W 0.93 W None of these 0.93 V 0.041666666666667 9.3 W 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? 43922 2 None of these 43891 3 43922 2 None of these 43891 3 ANSWER DOWNLOAD EXAMIANS APP
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