Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Ohmmeter Ammeter None of these Wattmeter Voltmeter Ohmmeter Ammeter None of these Wattmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage 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? None of these P = E2/R P = PR R = E2/P I = P/E None of these P = E2/R P = PR R = E2/P I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these their waveforms are both ac or both dc they have the same amplitude and frequency their waveforms cross through zero and reach positive and negative peaks at the same time All of these None of these their waveforms are both ac or both dc they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a transistor operates at the middle of the load line, an increase in the base resistance will move the Q point up nowhere None of these down off the load line up nowhere None of these down off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at upper end of the load line None of these infinity lower end of the load line middle of the load line upper end of the load line None of these infinity lower end of the load line middle of the load line ANSWER DOWNLOAD EXAMIANS APP
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