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? None of these 20 V 10.17 V 18.8 V 0.17 V None of these 20 V 10.17 V 18.8 V 0.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators generators batteries lightning None of these oscillators generators batteries lightning None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 30.4 V 35.4 V 38.74 V None of these 37.4 V 30.4 V 35.4 V 38.74 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value the amplitude at 70.7% of the maximum value None of these the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 12 mA 11 mA 10 mA None of these 14 mA 12 mA 11 mA 10 mA None of these 14 mA ANSWER DOWNLOAD EXAMIANS APP
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