Electronic Principles What is one important thing transistors do? Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage Amplify weak signals Rectify line voltage None of these Emit light Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and neutrons None of these Electrons, protons, and ions Protons only Electrons, ions, and neutrons Electrons, protons, and neutrons None of these Electrons, protons, and ions Protons only ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor a good insulator a poor conductor of electrostatic fields None of these a good conductor of magnetic fields a good conductor a good insulator a poor conductor of electrostatic fields None of these a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves nowhere down off the load line up None of these nowhere down off the load line up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 208 V None of these 700 V 707 V 651 V 208 V None of these 700 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The voltage always has the same amplitude and phase for every part of the circuit The total voltage leads the total current by less than 90 degree ANSWER DOWNLOAD EXAMIANS APP
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