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Electronic Principles

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

29
None of these
48
14
4

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Electronic Principles
If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

40 V
None of these
0 V
60 V
36 V

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Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?

Flux density
Reluctance
None of these
Magnetomotive force
Number of lines of force

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Electronic Principles
The equivalent of 1 micro A is:

one-millionth of an ampere
10000A
1000 A
None of these
one million amperes

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Electronic Principles
Which one of the following kinds of materials has the lowest permeability?

None of these
A paramagnetic material
A diamagnetic material
All of these
A feiTomagnetic material

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Electronic Principles
What kind of device is a diode?

Bilateral
Linear
None of these
Nonlinear
Unipolar

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