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 None of these 2 k Ohm 1 k Ohm 10 k Ohm 20 k Ohm None of these 2 k Ohm 1 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like an insulator a piece of copper wire a conductor a battery None of these an insulator a piece of copper wire a conductor a battery None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: volt None of these watt ohm ampere volt None of these watt ohm ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 None of these 81 85 6 9 None of these 81 85 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 77.7 ohm 89.3 ohm None of these 88.8 ohm 224 ohm 77.7 ohm 89.3 ohm None of these 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
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? 24 V 4.73 600 V None of these 0.4 V 24 V 4.73 600 V None of these 0.4 V ANSWER DOWNLOAD EXAMIANS APP
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