Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Flux density Reluctance None of these Magnetomotive force Number of lines of force Flux density Reluctance None of these Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a paramagnetic alloy an artificial magnet None of these a natural magnet a temporary magnet a paramagnetic alloy an artificial magnet None of these a natural magnet a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: None of these you are pressing the button you are not pressing the button its contact remain open its contact remain open None of these you are pressing the button you are not pressing the button its contact remain open its contact remain open ANSWER DOWNLOAD EXAMIANS APP
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