Electronic Principles What is one important thing transistors do? Rectify line voltage None of these Amplify weak signals Regulate voltage Emit light Rectify line voltage None of these Amplify weak signals Regulate voltage Emit light ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 0.625 W 80 W 0.24 W None of these 325 kW 0.625 W 80 W 0.24 W None of these 325 kW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 0.93 V None of these 9.3 W 0.93 W 0.041666666666667 0.93 V None of these 9.3 W 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 55 A 55.86 A None of these 16.3 mA 18.2 mA 55 A 55.86 A None of these 16.3 mA 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis None of these the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis None of these the passage of time on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current The algebraic sum of currents in a loop is equal to zero None of these The current through a resistance is proportional to the value of resistance and the IR drop across it ANSWER DOWNLOAD EXAMIANS APP
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