Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 0 V 36 V 60 V 40 V None of these 0 V 36 V 60 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? R = E2/P None of these I = P/E P = PR P = E2/R R = E2/P None of these I = P/E P = PR P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's south magnetic pole that would be attracted to the earth's north magnetic pole that has its molecules arranged in a random pattern that would be repelled by the south pole of another magnet None of these that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the area of the plates increasing the frequency of the applied voltage increasing the voltage applied to the plates None of these decreasing the area of the plates increasing the area of the plates increasing the frequency of the applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive One - a negative terminal None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases None of these 0oC Increases Stays the same Decreases None of these 0oC Increases Stays the same ANSWER DOWNLOAD EXAMIANS APP
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