Electronic Principles Holes act like: Positive charges Atoms None of these Negative charges Crystals Positive charges Atoms None of these Negative charges Crystals ANSWER DOWNLOAD EXAMIANS APP
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 None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off 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 None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off 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 Who invented the first junction transistor? Gomes Shockley Fisher None of these Smith Gomes Shockley Fisher None of these Smith ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells None of these piezoeletric cells solar cells voltage generators chemical cells None of these piezoeletric cells solar cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: you are pressing the button you are not pressing the button None of these its contact remain open its contact remain open you are pressing the button you are not pressing the button None of these its contact remain open its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The total voltage in a parallel circuit is less than the value of the smallest voltage The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these The algebraic sum of voltages entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP