Electronic Principles What is the smallest number of polarities required for current flow? None of these One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal None of these One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance None of these multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance 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 the time required to complete one full cycle the number of cycles completed in one second equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle the number of cycles completed in one second equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA 300 µA 0.25 µA 350 µA None of these 250 µA 300 µA 0.25 µA 350 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these The force that causes electrons to flow An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom None of these The force that causes electrons to flow An imbalance of electrical charges The flow of charged particles through a material The number of free electrons in an atom ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Ions Barrier potential None of these Recombination Doping Ions Barrier potential None of these Recombination Doping ANSWER DOWNLOAD EXAMIANS APP
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