Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 13 mA None of these 0.05 mA 3.75 mA 3.2 mA 13 mA None of these 0.05 mA 3.75 mA 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? 6 Ohm None of these 100 Ohm 50 Ohm or more 5 Ohm 6 Ohm None of these 100 Ohm 50 Ohm or more 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Solar energy Mechanical energy Electronical energy None of these Chemical energy Solar energy Mechanical energy Electronical energy None of these Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.995 mA 157 raA 2.02 A None of these 0.151 mA 0.995 mA 157 raA 2.02 A None of these 0.151 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 has no effect on the capacitive reactance None of these doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 has no effect on the capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a series RLC circuit is operating at its resonant frequency: the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
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