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 None of these 0.4 V 600 V 4.73 24 V None of these 0.4 V 600 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE None of these P = I2R I = P/E P = E2/R P = IE None of these P = I2R I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 100 W 1000 W 200 W 20 W None of these 100 W 1000 W 200 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 220 ohm 445 ohm 150 ohm 690 ohm None of these 220 ohm 445 ohm 150 ohm 690 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Barrier potential Forward voltage None of these Breakdown voltage Applied voltage Barrier potential Forward voltage None of these Breakdown voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitive-reactance values None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current equal to the sum of the individual capacitive-reactance values None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the source voltage divided by total current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS