Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping None of these Valence electrons Free electrons Thermal energy Doping None of these Valence electrons Free electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value from zero to its peak value None of these from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an Ideal current source and series resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these Ideal current source and parallel resistor Ideal current source and series resistor Ideal voltage source and series resistor Ideal voltage source and parallel resistor None of these Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance of a parallel circuit is equal to the total voltage None of these The total resistance is equal to the sum of the individual resistances in a parallel circuit. ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: None of these Positive charges Negative charges Crystals Atoms None of these Positive charges Negative charges Crystals Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm None of these 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
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