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Electronic Principles

Electronic Principles
Holes act like:

Negative charges
Atoms
None of these
Crystals
Positive charges

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

There is no valid comparison
Permeability
Permeance
Retentivity
Reluctance

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Electronic Principles
At room temperature a conductor has low many holes?

Same number as free electrons
Only those produced by thermal energy
less than the free electrons
many
None of these

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Electronic Principles
The number of free electrons and holes in intrinsic semiconductor increases when the temperature

None of these
Decreases
Increases
0oC
Stays the same

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Electronic Principles
Inductive reactance is measured in units of:

henrys
volts per second
amperes per second
Ohm
None of these

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

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

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