Electronic Principles What is one important thing transistors do? Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage Regulate voltage Amplify weak signals Emit light None of these Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 has no effect on the capacitive reactance cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance multiplies the capacitive reactance by 7 has no effect on the capacitive reactance cuts the capacitive reactance in half None of these doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these rotor commutator armature battery None of these rotor commutator armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells voltage generators chemical cells None of these piezoeletric cells solar cells voltage generators chemical cells None of these piezoeletric cells 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 7.8 mA 300 mA 200 mA None of these 208 mA 7.8 mA 300 mA 200 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? None of these Electrons, ions, and neutrons Electrons, protons, and ions Protons only Electrons, protons, and neutrons None of these Electrons, ions, and neutrons Electrons, protons, and ions Protons only Electrons, protons, and neutrons ANSWER DOWNLOAD EXAMIANS APP
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