Electronic Principles One henry of inductance is defined as: the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of counter emf required to reduce a current to 1 A the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the number of turns of wire in an inductor multiplied by the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA None of these 0.995 mA 2.02 A 0.151 mA 157 raA None of these 0.995 mA 2.02 A 0.151 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals Positive charges Negative charges None of these Atoms Crystals Positive charges Negative charges None of these Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The current through a resistance is proportional to the value of resistance and the IR drop across it None of these The algebraic sum of currents in a loop is equal to zero The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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