Electronic Principles In a step-down transformer, which is larger? Primary voltage Impossible to say Secondary voltage Neither None of these Primary voltage Impossible to say Secondary voltage Neither None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 the core is permitted to move freely within the coil 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 changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these E = I2R I = E/R E = PR I = ER None of these E = I2R I = E/R E = PR I = ER ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Increases Stays the same None of these Can be any of above Decreases Increases Stays the same None of these Can be any of above Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these ANSWER DOWNLOAD EXAMIANS APP
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