Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm None of these less than 1 Ohm 312 Ohm 690 Ohm 1590 Ohm None of these less than 1 Ohm 312 Ohm 690 Ohm 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 power dissipation of a resistance when you know the voltage drop and current? I = P/E P = I2R P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? None of these The difference between conductors and insulators depends on how they are used 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 A conductor allows current to flow much easier than an insulator does None of these The difference between conductors and insulators depends on how they are used 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 A conductor allows current to flow much easier than an insulator does ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A None of these 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When a parallel RLC circuit is operating at its resonant frequency: the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance the difference between inductive and capacitive reactance is equal to the resistance None of these inductive reactance is equal to the capacitive reactance inductive reactance is greater than the capacitive reactance capacitive reactance is greater than the inductive reactance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS