Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 0.20833333333333 None of these 50 A 20 A 0.20833333333333 None of these 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 70.7% of the maximum value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW None of these 200 mW 10 mW 20 mW 300 mW None of these 200 mW 10 mW 20 mW 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 Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these 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 Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz None of these 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
Electronic Principles When applying a square waveform to a capacitor, the circuit tends to: peak the current and round off the voltage waveforms None of these peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms peak the current and round off the voltage waveforms None of these peak the voltage and round off the current waveforms round off both the voltage and current waveforms peak both the voltage and current waveforms ANSWER DOWNLOAD EXAMIANS APP
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