Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43922 3 43891 2 None of these 43922 3 43891 2 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 would be repelled by the north pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet None of these that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these 1000 W 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude the time required to complete one full cycle equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these equal to 1.41 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA None of these 13 mA 3.75 mA 0.05 mA 3.2 mA None of these 13 mA 3.75 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Extrinsic None of these n-type Intrinsic p-type Extrinsic None of these n-type Intrinsic p-type ANSWER DOWNLOAD EXAMIANS APP
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