Electronic Principles Most AC power is obtained from: generators lightning batteries None of these oscillators generators lightning batteries None of these oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals 25o C None of these 0o C -273o C -276o C 25o C None of these 0o C -273o C -276o C ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal 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 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 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 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 total current is less than the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor 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? P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E ANSWER DOWNLOAD EXAMIANS APP
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