Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 300 mA 208 mA None of these 200 mA 7.8 mA 300 mA 208 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 -1 1 None of these 4 -1 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The sum of the current is always less than the applied current None of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same None of these 0oC Increases Decreases Stays the same None of these 0oC Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? None of these Barrier potential Ions Doping Recombination None of these Barrier potential Ions Doping Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole that has its molecules arranged in a random pattern None of these that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole that has its molecules arranged in a random pattern None of these that would be attracted to the earth's south magnetic pole that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
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