Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V 0.4 V None of these 4.73 600 V 24 V 0.4 V None of these 4.73 600 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is greater than the sum of the voltages across the resistance and capacitance The total voltage is equal to the sum of the voltages across the resistance and capacitance The total voltage is less than the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is greater than the sum of the voltages across the resistance and capacitance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential None of these Applied voltage Forward voltage Breakdown voltage Barrier potential None of these Applied voltage Forward voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The force that maintains lines of force The rate of change of the number of lines of magnetic force None of these The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The force that maintains lines of force The rate of change of the number of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 16 V 7.5 V 15 V None of these 8 V 16 V 7.5 V 15 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons None of these a few free electrons and holes No holes many holes many free electrons None of these a few free electrons and holes No holes many holes ANSWER DOWNLOAD EXAMIANS APP
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