Electronic Principles Holes act like: None of these Negative charges Crystals Positive charges Atoms None of these Negative charges Crystals Positive charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V 30 V None of these 24 V 12 V 18 V 30 V None of these 24 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 754 Ohm 30 Ohm 60 Ohm 120 Ohm None of these 754 Ohm 30 Ohm 60 Ohm 120 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of less than 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm At least 10 Ohm less than 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light Amplify weak signals None of these Rectify line voltage Regulate voltage Emit light Amplify weak signals None of these Rectify line voltage Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance 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 None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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