Electronic Principles Most AC power is obtained from: batteries generators lightning oscillators None of these batteries generators lightning oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The saturation point is approximately the same as upper end of the load line infinity lower end of the load line None of these cutoff point upper end of the load line infinity lower end of the load line None of these cutoff point ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material None of these the core is permitted to move freely within the coil changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Mechanical energy Solar energy None of these Chemical energy Light energy Mechanical energy Solar energy None of these Chemical energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 16.3 mA 55 A 55.86 A 18.2 mA None of these 16.3 mA 55 A 55.86 A 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance None of these The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance None of these The total current is less than the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS