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Electronic Principles

Electronic Principles
Positive ions are atoms that have

None of these
Gained an electron
Lost a proton
Gained a proton
Lost an electron

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Electronic Principles
What kind of device is a diode?

None of these
Unipolar
Bilateral
Nonlinear
Linear

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Electronic Principles
If a load resistance is 1 kW, a stiff current source has a resistance of

Less than 100 k Ohm
At least 10 Ohm
None of these
Less than 10 Ohm
More than 100 k Ohm

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Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

1234 Ohm
None of these
844.5 Ohm
692.2 Ohm
3890 Ohm

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Electronic Principles
What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz?

628 Ohm
100 Ohm
444 Ohm
Less than 1 Ohm
None of these

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Electronic Principles
Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?

None of these
20 km or less
200 k Ohm or more
20 k Ohm or more
200 k Ohm or less

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