Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P None of these I = P/E P = E2/R P = PR R = E2/P None of these I = P/E P = E2/R P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The total current is less than the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values equal to the sum of the individual capacitance values None of these equal to the source voltage divided by total current less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitive-reactance values 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? 50 Ohm or more 100 Ohm 5 Ohm 6 Ohm None of these 50 Ohm or more 100 Ohm 5 Ohm 6 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP