Electronic Principles In a step-down transformer, which is larger? Secondary voltage Impossible to say Primary voltage Neither None of these Secondary voltage Impossible to say Primary voltage Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeability Reluctance Permeance There is no valid comparison Retentivity Permeability Reluctance Permeance There is no valid comparison Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 180 V 170 V None of these 100 V 120 V 180 V 170 V None of these 100 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R 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? 208 V 707 V None of these 700 V 651 V 208 V 707 V None of these 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Open the voltage source Open the load resistor Short the load resistor None of these Short the voltage source Open the voltage source Open the load resistor Short the load resistor None of these Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
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