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 = PR I = ER I = E/R None of these E = I2R E = PR I = ER I = E/R None of these E = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 200 mW None of these 20 mW 300 mW 10 mW 200 mW None of these 20 mW 300 mW 10 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used A conductor allows current to flow much easier than an insulator does None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm None of these 1590 Ohm less than 1 Ohm 690 Ohm 312 Ohm None of these 1590 Ohm less than 1 Ohm 690 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? None of these The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages None of these The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage None of these Impossible to say Primary voltage Neither Secondary voltage None of these Impossible to say Primary voltage Neither ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS