Electronic Principles Which one of the following phrases best describes residual magnetism? 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 None of these The force of attraction between the poles of a permanent and temporary magnetic field 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 None of these The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RL circuit parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RC circuit None of these parallel RL circuit parallel RLC circuit operated above its resonant frequency purely resistive circuit parallel RC circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 10.3 µA 7.8 µA None of these 7.75 µA 14.8 µA 10.3 µA 7.8 µA None of these 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 3890 Ohm 692.2 Ohm 1234 Ohm 844.5 Ohm None of these 3890 Ohm 692.2 Ohm 1234 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? None of these Mercury-cell battery Nicad battery Lead-acid battery Zinc-carbon battery None of these Mercury-cell battery Nicad battery Lead-acid battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell solar cell piezoelectric devices None of these thermocouple chemical cell solar cell piezoelectric devices None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS