Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 200 W 100 W 20 W None of these 1000 W 200 W 100 W 20 W None of these 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time All of these their waveforms are both ac or both dc ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a series RC circuit? None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit None of these The total current is equal to the sum of the currents for the resistance and capacitance The total current is greater than the sum of the currents for the resistance and capacitance The total current is less than the sum of the currents for the resistance and capacitance The current always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The actual frequency of a sine waveform is 1.41 times the working frequency None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency The actual frequency of a sine waveform is 1.41 times the working frequency None of these Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency The higher the amplitude of a waveform, the higher its frequency ANSWER DOWNLOAD EXAMIANS APP