Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA 7.75 µA 10.3 µA None of these 14.8 µA 7.8 µA 7.75 µA 10.3 µA None of these 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude None of these equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 1.41 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 1000 W 100 W 20 W 200 W None of these 1000 W 100 W 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is -1 1 None of these 4 -1 1 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium None of these All of these Silicon Copper Germanium None of these All of these Silicon Copper ANSWER DOWNLOAD EXAMIANS APP
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