Electronic Principles The basic unit of measurement for current is the: watt ampere ohm volt None of these watt ampere ohm volt 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 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the maximum positive or negative value the amplitude at 1.41 times the maximum value None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value 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? P = PR None of these R = E2/P I = P/E P = E2/R P = PR None of these R = E2/P I = P/E P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current leads the voltage by 90 degree None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Free electrons None of these Doping Thermal energy Valence electrons Free electrons None of these Doping Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device photodiode None of these nicad cell solar cell piezoelectric device photodiode None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
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