Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 3890 Ohm 692.2 Ohm 844.5 Ohm 1234 Ohm None of these 3890 Ohm 692.2 Ohm 844.5 Ohm 1234 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these None of these their waveforms are both ac or both dc their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 cuts the capacitive reactance in half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field None of these The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field None of these 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 A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used None of these An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all A conductor allows current to flow much easier than an insulator does An insulator allows current to flow much easier than a conductor does The difference between conductors and insulators depends on how they are used None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Increases Can be any of above Decreases Stays the same None of these Increases Can be any of above Decreases Stays the same None of these ANSWER DOWNLOAD EXAMIANS APP