Electronic Principles The rotating coil of wire in an electric motor is called the: brush None of these loop commutator armature brush None of these loop commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential Applied voltage Forward voltage None of these Breakdown voltage Barrier potential Applied voltage Forward voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents through the resistance and inductance The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V None of these 60 V 40 V 0 V 36 V None of these 60 V 40 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? I = P/E None of these P = I2R P = E2/R P = IE I = P/E None of these P = I2R P = E2/R P = IE ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS