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Electronic Principles

Electronic Principles
What kind of device is a diode?

Bilateral
Nonlinear
Linear
Unipolar
None of these

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Electronic Principles
A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current?

208 mA
None of these
7.8 mA
300 mA
200 mA

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Electronic Principles
Holes are the minority carriers in which type of semiconductor?

p-type
None of these
Extrinsic
n-type
Intrinsic

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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
None of these
3 W
64 W
6 W

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Electronic Principles
How many protons does the nucleus of a silicon atom contain?

48
29
14
4
None of these

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Electronic Principles
A real voltage source has

None of these
Infinite internal resistance
Zero internal resistance
A large internal resistance
A small internal resistance

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