Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 2 m V per degree Celsius 0.3V None of these 0.7V 1 V 2 m V per degree Celsius 0.3V None of these 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases Decreases 0oC None of these Stays the same Increases Decreases 0oC None of these Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from negative to positive from right to left None of these from neutral to positive from positive to negative from negative to positive from right to left None of these from neutral to positive from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value 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? E = I2R I = ER None of these E = PR I = E/R E = I2R I = ER None of these E = PR I = E/R ANSWER DOWNLOAD EXAMIANS APP
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