Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA None of these 34.4 mA 28.4 mA 68.4 mA 24.2 mA None of these 34.4 mA 28.4 mA 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Applied voltage Barrier potential Breakdown voltage None of these Forward voltage Applied voltage Barrier potential Breakdown voltage None of these Forward voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 10 Ohm Less than 100 k Ohm More than 100 k Ohm At least 10 Ohm None of these Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: frequent changes in the direction of current through the coil causes heating effects in the core material None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf frequent changes in the direction of current through the coil causes heating effects in the core material None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be None of these Forward-biased Reverse-biased Operating in the breakdown region Nonconducting None of these Forward-biased Reverse-biased Operating in the breakdown region Nonconducting ANSWER DOWNLOAD EXAMIANS APP
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