Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 9 6 81 85 None of these 9 6 81 85 None of these 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 What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 3 W 64 W 6 W 122 W None of these 3 W 64 W 6 W 122 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.7 V None of these 0.8 V 20 V 0.7 V None of these 0.8 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values None of these equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor armature None of these battery commutator rotor armature None of these battery commutator ANSWER DOWNLOAD EXAMIANS APP