Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 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? 208 mA 300 mA 7.8 mA None of these 200 mA 208 mA 300 mA 7.8 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? None of these Electrons, protons, and neutrons Protons only Electrons, protons, and ions Electrons, ions, and neutrons None of these Electrons, protons, and neutrons Protons only Electrons, protons, and ions Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open its contact remain open None of these you are pressing the button you are not pressing the button its contact remain open its contact remain open None of these you are pressing the button you are not pressing the button ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? generator None of these solar cell chemical cell thermocouple generator None of these solar cell chemical cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? None of these decreases any of the above stays the same increases None of these decreases any of the above stays the same increases ANSWER DOWNLOAD EXAMIANS APP
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