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 None of these 700 V 707 V 208 V 651 V None of these 700 V 707 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: electric device thermocouple None of these chemical cell solar cell electric device thermocouple None of these chemical cell solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Short the load resistor None of these Open the load resistor Open the voltage source Short the voltage source Short the load resistor None of these Open the load resistor Open the voltage source Short the voltage source ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents entering and leaving a point is equal to zero The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The total current in a parallel circuit is less than the value of the smallest current 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? 12 V 24 V 18 V None of these 30 V 12 V 24 V 18 V None of these 30 V ANSWER DOWNLOAD EXAMIANS APP