Electronic Principles Most AC power is obtained from: lightning generators None of these batteries oscillators lightning generators None of these batteries oscillators ANSWER DOWNLOAD EXAMIANS APP
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? I = P/E None of these P = PR P = E2/R R = E2/P I = P/E None of these P = PR P = E2/R R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from negative to positive from left to right None of these from positive to negative from neutral to positive from negative to positive from left to right None of these from positive to negative from neutral to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: piezoelectric device None of these nicad cell solar cell photodiode piezoelectric device None of these nicad cell solar cell photodiode ANSWER DOWNLOAD EXAMIANS APP