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Electronic Principles

Electronic Principles
Holes act like:

Positive charges
Crystals
None of these
Atoms
Negative charges

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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?

122 W
3 W
None of these
6 W
64 W

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Electronic Principles
What kind of device is a diode?

Nonlinear
Unipolar
Bilateral
None of these
Linear

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Electronic Principles
An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current?

24.2 mA
None of these
34.4 mA
28.4 mA
68.4 mA

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Electronic Principles
1 Microfarad is the same as:

None of these
1 million picofarads
1 millionth of a picofarad
1000 millifarads
1 million farads

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Electronic Principles
Doubling the diameter of the coil in an inductor:

multiplies the value of inductance by four
reduces the value of inductance by one-half
multiplies the value of inductance by two
reduces the value of inductance by one-fourth
None of these

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