Electronic Principles A device that converts chemical energy to electrical energy is called a: chemical cell electric device solar cell thermocouple None of these chemical cell electric device solar cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is -1 1 None of these 4 -1 1 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain None of these varies slightly varies enormously is contant equals the collector current divided by the base current None of these varies slightly varies enormously is contant equals the collector current divided by the base current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 4 180 0.25 None of these 0.5 4 180 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V 12 V 30 V 18 V None of these 24 V 12 V 30 V 18 V 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 None of these that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south 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 north magnetic pole that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS