Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm None of these 844.5 Ohm 1234 Ohm 3890 Ohm 692.2 Ohm None of these 844.5 Ohm 1234 Ohm 3890 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel None of these Current flowing through a conductor generates a magnetic field Like magnetic poles repel; unlike poles attract Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically None of these The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields None of these a good conductor a good conductor of magnetic fields a good insulator a poor conductor of electrostatic fields None of these a good conductor 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 85 81 None of these 9 6 85 81 None of these 9 ANSWER DOWNLOAD EXAMIANS APP