Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage None of these Regulate voltage Emit light Amplify weak signals Rectify line voltage None of these Regulate voltage Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 150 ohm 220 ohm None of these 690 ohm 445 ohm 150 ohm 220 ohm None of these 690 ohm 445 ohm 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 0.41666666666667 0.955 A 2.02 A 0.02 A None of these 0.41666666666667 0.955 A 2.02 A 0.02 A ANSWER DOWNLOAD EXAMIANS APP
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? None of these 6 Ohm 5 Ohm 100 Ohm 50 Ohm or more None of these 6 Ohm 5 Ohm 100 Ohm 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: equal to the sun of the individual capacitive-reactance values None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the value of the smallest capacitor equal to the sun of the individual capacitive-reactance values None of these equal to the source voltage divided by total current equal to the sum of the individual capacitance values less than the value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
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