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 707 V 700 V None of these 208 V 651 V 707 V 700 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 1 4 None of these -1 1 4 None of these -1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? The total current is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance None of these The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents for the resistance and capacitance 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 power dissipation of a resistance when you know the voltage drop and current? P = E2/R I = P/E P = I2R P = IE None of these P = E2/R I = P/E P = I2R P = IE None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as cutoff point upper end of the load line None of these infinity lower end of the load line cutoff point upper end of the load line None of these infinity lower end of the load line ANSWER DOWNLOAD EXAMIANS APP