Electronic Principles Which one of the following kinds of materials has the highest permeability? A diamagnetic material All of these A paramagnetic material A ferromagnetic material None of these A diamagnetic material All of these A paramagnetic material A ferromagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 180 0.5 4 0.25 None of these 180 0.5 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 200 k Ohm or less 200 k Ohm or more 20 km or less 20 k Ohm or more None of these 200 k Ohm or less 200 k Ohm or more 20 km or less 20 k Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor All of these Current lags the voltage through a resistor None of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 W 9.3 W 0.041666666666667 None of these 0.93 V 0.93 W 9.3 W 0.041666666666667 None of these 0.93 V ANSWER DOWNLOAD EXAMIANS APP
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