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? 400 Ohm 310 Ohm 410 Ohm 550 Ohm None of these 400 Ohm 310 Ohm 410 Ohm 550 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? Less than 1 Ohm 444 Ohm 100 Ohm None of these 628 Ohm Less than 1 Ohm 444 Ohm 100 Ohm None of these 628 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the base supply voltage increases, the Q point moves off the load line down None of these up nowhere off the load line down None of these up nowhere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor None of these a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields 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 E = PR None of these I = ER E = I2R I = E/R E = PR None of these I = ER E = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Wattmeter Voltmeter None of these Ammeter Ohmmeter Wattmeter Voltmeter None of these Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP