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Electronic Principles

Electronic Principles
When the collector current increases, what does the current gain do?

stays the same
increases
None of these
any of the above
decreases

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Electronic Principles
What is the inductive reactance of a 2-H coil operating at 60 Hz?

60 Ohm
None of these
120 Ohm
754 Ohm
30 Ohm

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Electronic Principles
What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it?

3 W
None of these
122 W
6 W
64 W

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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?

43891
2
None of these
43922
3

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Electronic Principles
Inductive reactance is measured in units of:

None of these
amperes per second
Ohm
volts per second
henrys

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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
1000 W
None of these
20 W
200 W

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