Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V None of these 0 V 60 V 40 V 36 V None of these 0 V 60 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left None of these from neutral to positive from negative to positive from positive to negative from right to left None of these from neutral to positive from negative to positive from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like None of these an insulator a conductor a battery a piece of copper wire None of these an insulator a conductor a battery a piece of copper wire ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.25 4 0.5 180 None of these 0.25 4 0.5 180 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? None of these R = E2/P P = E2/R I = P/E P = PR None of these R = E2/P P = E2/R I = P/E P = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet a paramagnetic alloy an artificial magnet a natural magnet None of these a temporary magnet a paramagnetic alloy an artificial magnet a natural magnet None of these ANSWER DOWNLOAD EXAMIANS APP