Electronic Principles In a step-down transformer, which is larger? None of these Impossible to say Primary voltage Secondary voltage Neither None of these Impossible to say Primary voltage Secondary voltage Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Amplify weak signals None of these Emit light Rectify line voltage Regulate voltage Amplify weak signals None of these Emit light Rectify line voltage Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 0.707 times the peak amplitude equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 14.8 µA 10.3 µA None of these 7.8 µA 7.75 µA 14.8 µA 10.3 µA None of these 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Silicon Copper Germanium None of these All of these Silicon Copper Germanium None of these All of these ANSWER DOWNLOAD EXAMIANS APP
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