Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA None of these 12 mA 11 mA 14 mA 10 mA None of these 12 mA 11 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 300 mA 208 mA 200 mA 7.8 mA None of these 300 mA 208 mA 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? I = E/R I = ER None of these E = I2R E = PR I = E/R I = ER None of these E = I2R E = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Lifetime Thermal energy Covalent bonding None of these Recombination Lifetime Thermal energy Covalent bonding None of these Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.24 W 80 W 325 kW 0.625 W None of these 0.24 W 80 W 325 kW 0.625 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current None of these equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values less than the capacitance value of the smallest capacitor equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP