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 2 k Ohm None of these 20 k Ohm 10 k Ohm 1 k Ohm 2 k Ohm None of these 20 k Ohm 10 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 16.3 mA 55 A 18.2 mA 55.86 A None of these 16.3 mA 55 A 18.2 mA 55.86 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 29 1 4 None of these 18 29 1 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Voltmeter Ohmmeter Wattmeter Ammeter None of these Voltmeter Ohmmeter Wattmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 180 A None of these 0.083333333333333 0.5A 7200 A 180 A None of these 0.083333333333333 0.5A 7200 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current No more than 10% less than the primary current None of these Twice the primary current One-half the primary current Same as the primary current No more than 10% less than the primary current None of these Twice the primary current One-half the primary current ANSWER DOWNLOAD EXAMIANS APP
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