Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 50 Ohm or more 6 Ohm 5 Ohm 100 Ohm None of these 50 Ohm or more 6 Ohm 5 Ohm 100 Ohm None of these 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? 18.2 mA 55.86 A None of these 55 A 16.3 mA 18.2 mA 55.86 A None of these 55 A 16.3 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 None of these 180 0.5 4 0.25 None of these 180 0.5 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.02 A 0.41666666666667 0.955 A 2.02 A None of these 0.02 A 0.41666666666667 0.955 A 2.02 A 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? 10 Ohm 50 Ohm 60 Ohm 100 Ohm or more None of these 10 Ohm 50 Ohm 60 Ohm 100 Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 12 V None of these 24 V 18 V 30 V 12 V None of these 24 V 18 V ANSWER DOWNLOAD EXAMIANS APP
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