Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 100 Ohm or more 50 Ohm 10 Ohm 60 Ohm None of these 100 Ohm or more 50 Ohm 10 Ohm 60 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter Voltmeter None of these Ohmmeter Ammeter Wattmeter Voltmeter None of these Ohmmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 34.4 mA 24.2 mA None of these 68.4 mA 28.4 mA 34.4 mA 24.2 mA None of these 68.4 mA 28.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 1.00 V 1000 V 100 mV None of these 1000 mV 1.00 V 1000 V 100 mV None of these 1000 mV ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Same number as free electrons Only those produced by thermal energy None of these many less than the free electrons Same number as free electrons Only those produced by thermal energy None of these many ANSWER DOWNLOAD EXAMIANS APP
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