Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 400 Ohm 310 Ohm 410 Ohm 550 Ohm None of these 400 Ohm 310 Ohm 410 Ohm 550 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? None of these The total current is less than 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 equal to 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 less than 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 equal to 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? None of these 77.7 ohm 224 ohm 89.3 ohm 88.8 ohm None of these 77.7 ohm 224 ohm 89.3 ohm 88.8 ohm 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? E = I2R E = PR None of these I = E/R I = ER E = I2R E = PR None of these I = E/R I = ER ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -276o C -273o C 0o C 25o C None of these -276o C -273o C 0o C 25o C None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitance of a series capacitor circuit is: None of these equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor None of these equal to the sum of the individual capacitance values equal to the sun of the individual capacitive-reactance values equal to the source voltage divided by total current less than the value of the smallest capacitor ANSWER DOWNLOAD EXAMIANS APP
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