Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? P = IE P = E2/R I = P/E None of these P = I2R P = IE P = E2/R I = P/E None of these P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 10 k Ohm None of these 20 k Ohm 2 k Ohm 1 k Ohm 10 k Ohm None of these 20 k Ohm 2 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Thevenin theorem replaces a complicated circuit facing a load by an None of these Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor Ideal current source and parallel resistor None of these Ideal voltage source and parallel resistor Ideal voltage source and series resistor Ideal current source and series resistor Ideal current source and parallel resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.5 0.25 180 None of these 4 0.5 0.25 180 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is less than the number of holes Impossible to say Equals the number of holes None of these Is greater than the number of holes Is less than the number of holes Impossible to say Equals the number of holes None of these Is greater than the number of holes ANSWER DOWNLOAD EXAMIANS APP