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 28.4 mA 68.4 mA 34.4 mA None of these 24.2 mA 28.4 mA 68.4 mA 34.4 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries None of these Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary wet-cell batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true? There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency All of these There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency Power dissipation of a pure capacitor increases with operating frequency None of these Power dissipation of a pure capacitor decreases with operating frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The higher the amplitude of a waveform, the higher its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The longer the period of a waveform, the lower its frequency None of these The actual frequency of a sine waveform is 1.41 times the working frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Electronical energy Solar energy Mechanical energy Chemical energy None of these Electronical energy Solar energy Mechanical energy Chemical energy 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? 20 km or less 200 k Ohm or more 20 k Ohm or more None of these 200 k Ohm or less 20 km or less 200 k Ohm or more 20 k Ohm or more None of these 200 k Ohm or less ANSWER DOWNLOAD EXAMIANS APP