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Electronic Principles

Electronic Principles
How may valence electrons does a silicon atom have?

4
1
None of these
2

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Electronic Principles
In an intrinsic semiconductor, the number of free electrons

Impossible to say
Is less than the number of holes
Is greater than the number of holes
None of these
Equals the number of holes

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Electronic Principles
How much power is being dissipated by a 1000 W resistance that has 25 V applied to it?

None of these
80 W
0.625 W
0.24 W
325 kW

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

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

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Electronic Principles
The Thevenin resistance is equal in value to the

None of these
Load resistance
Open-load resistance
Internal resistance of a Morton circuit
Half the load resistance

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Electronic Principles
Doubling the number of turns of wire in an inductor:

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

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