Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off None of these The amount of magnetic flux that is not confined to the core material of an electromagnet The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 0o C None of these -273o C -276o C 25o C 0o C None of these -273o C -276o C 25o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 0.17 V 18.8 V 20 V 10.17 V None of these 0.17 V 18.8 V 20 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Magnetomotive force None of these Reluctance Number of lines of force Flux density Magnetomotive force None of these Reluctance Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current base current emitter current None of these collector current supply current base current emitter current None of these collector current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS