Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 100 k Ohm At least 10 Ohm None of these More than 100 k Ohm Less than 10 Ohm Less than 100 k Ohm At least 10 Ohm None of these More than 100 k Ohm Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: None of these ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage None of these ac current leads the voltage by 90 degree 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 A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 24 V 12 V 30 V 18 V None of these 24 V 12 V 30 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms round off both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak the voltage and round off the current waveforms peak both the voltage and current waveforms round off both the voltage and current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates None of these increasing the frequency of the applied voltage decreasing the area of the plates increasing the area of the plates increasing the voltage applied to the plates None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Zinc-carbon battery Mercury-cell battery Lead-acid battery None of these Nicad battery Zinc-carbon battery Mercury-cell battery Lead-acid battery None of these Nicad battery ANSWER DOWNLOAD EXAMIANS APP
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