Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 10.17 V 0.17 V None of these 18.8 V 20 V 10.17 V 0.17 V None of these 18.8 V 20 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 None of these 9 6 81 85 None of these 9 6 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R I = P/E P = I2R None of these P = IE P = E2/R I = P/E P = I2R None of these P = IE ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: None of these volt ampere watt ohm None of these volt ampere watt ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle 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 both the voltage and current waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these peak the current and round off the voltage waveforms peak both the voltage and current waveforms peak the voltage and round off the current waveforms round off both the voltage and current waveforms None of these ANSWER DOWNLOAD EXAMIANS APP