Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions Doping None of these Recombination Barrier potential Ions Doping None of these Recombination Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 20 Ohm None of these 10 Ohm 100 Ohm 30 Ohm 20 Ohm None of these 10 Ohm 100 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 20 k Ohm or more 20 km or less 200 k Ohm or less 200 k Ohm or more None of these 20 k Ohm or more 20 km or less 200 k Ohm or less 200 k Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance None of these capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance inductive reactance is greater than the capacitive reactance inductive reactance is equal to the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
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