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 As the temperature increases, the current gain decreases can be any of the above None of these increases contant decreases can be any of the above None of these increases contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V None of these 8 V 15 V 7.5 V 16 V None of these 8 V 15 V 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? None of these I = P/E R = E2/P P = E2/R P = PR None of these I = P/E R = E2/P P = E2/R P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Open-load resistance Load resistance Half the load resistance None of these Internal resistance of a Morton circuit Open-load resistance Load resistance Half the load resistance None of these Internal resistance of a Morton circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 100 W 200 W 20 W 1000 W None of these 100 W 200 W 20 W 1000 W ANSWER DOWNLOAD EXAMIANS APP