Electronic Principles What causes the depletion layer? None of these Ions Recombination Doping Barrier potential None of these Ions Recombination Doping Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Crystals Positive charges Negative charges None of these Atoms Crystals Positive charges Negative charges None of these Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.4 A 0.3 A None of these 0.6 A 0.2 A 0.4 A 0.3 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: solar cell electric device chemical cell thermocouple None of these solar cell electric device chemical cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis None of these frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and the passage of time on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal None of these Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal None of these Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
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