Electronic Principles A battery is a device composed of one or more: voltage generators chemical cells None of these piezoeletric cells solar cells voltage generators chemical cells None of these piezoeletric cells solar cells 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? Reluctance Magnetomotive force None of these Number of lines of force Flux density Reluctance Magnetomotive force None of these Number of lines of force Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Positive charges Crystals Atoms Negative charges None of these Positive charges Crystals Atoms Negative charges None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 4 1 None of these 2 4 1 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Twice the primary current One-half the primary current None of these No more than 10% less than the primary current Same as the primary current Twice the primary current One-half the primary current None of these No more than 10% less than the primary current Same as the primary current ANSWER DOWNLOAD EXAMIANS APP