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? 34.4 mA None of these 68.4 mA 28.4 mA 24.2 mA 34.4 mA None of these 68.4 mA 28.4 mA 24.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell piezoelectric device nicad cell None of these photodiode solar cell piezoelectric device nicad cell None of these photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 77.7 ohm 88.8 ohm 89.3 ohm None of these 224 ohm 77.7 ohm 88.8 ohm 89.3 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm Less than 100 k Ohm None of these less than 10 Ohm At least 10 Ohm More than 100 k Ohm Less than 100 k Ohm None of these less than 10 Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm 70.7Ohm 60 Ohm 99.3 Ohm None of these 250 Ohm ANSWER DOWNLOAD EXAMIANS APP
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