Electronic Principles Current can flow through a normally open push button switch as long as: you are pressing the button its contact remain open its contact remain open you are not pressing the button None of these you are pressing the button its contact remain open its contact remain open you are not pressing the button 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? None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage reverses polarity periodically The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? All of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency All of these Power dissipation of a pure capacitor decreases with operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RC circuit? None of these The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these The total current. is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The total current is equal to the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP