Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the emitter current base current supply current None of these collector current emitter current base current supply current None of these collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 300 mA 208 mA None of these 7.8 mA 200 mA 300 mA 208 mA None of these 7.8 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell None of these thermocouple electric device chemical cell solar cell None of these thermocouple electric device chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from positive to negative from left to right from neutral to positive from negative to positive None of these from positive to negative from left to right from neutral to positive from negative to positive None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? None of these Smith Gomes Shockley Fisher None of these Smith Gomes Shockley Fisher ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeance Permeability There is no valid comparison Reluctance Retentivity Permeance Permeability There is no valid comparison Reluctance Retentivity ANSWER DOWNLOAD EXAMIANS APP
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