Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current collector current supply current emitter current None of these base current collector current supply current emitter current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA None of these 24.2 mA 68.4 mA 28.4 mA 34.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.7 V 0.8 V None of these 20 V 0.7 V 0.8 V None of these 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 1 -1 4 None of these 1 -1 4 None of these ANSWER DOWNLOAD EXAMIANS APP