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? 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA 28.4 mA None of these 24.2 mA 34.4 mA 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth None of these multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are secondary dry-cell batteries None of these Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries None of these Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are primary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these The number of free electrons in an atom The flow of charged particles through a material An imbalance of electrical charges The force that causes electrons to flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half doubles the amount of a capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 None of these cuts the capacitive reactance in half doubles the amount of a capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 None of these ANSWER DOWNLOAD EXAMIANS APP
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