Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 13 mA 0.05 mA 3.75 mA 3.2 mA None of these 13 mA 0.05 mA 3.75 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination None of these Ions Doping Barrier potential Recombination None of these Ions Doping Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that has its molecules arranged in a random pattern None of these that would be attracted to the earth's south magnetic pole that would be attracted to the earth's north magnetic pole that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern None of these that would be attracted to the earth's south magnetic pole that would be attracted to the earth's north magnetic pole that would be repelled by the south pole of another magnet 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 None of these has no effect on the capacitive reactance doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.4 A 0.3 A None of these 0.6 A 0.2 A 0.4 A 0.3 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 48 29 14 4 None of these 48 29 14 4 None of these ANSWER DOWNLOAD EXAMIANS APP