Electronic Principles What causes the depletion layer? Recombination None of these Doping Barrier potential Ions Recombination None of these Doping Barrier potential Ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? 175 mA 1750 mA 17.5 mA None of these 1.75 mA 175 mA 1750 mA 17.5 mA None of these 1.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 4 None of these 48 29 14 4 None of these 48 29 14 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? 10 Ohm 30 Ohm None of these 100 Ohm 20 Ohm 10 Ohm 30 Ohm None of these 100 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material 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 the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 1 k Ohm 20 k Ohm None of these 10 k Ohm 2 k Ohm 1 k Ohm 20 k Ohm None of these 10 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP