Electronic Principles
At room temperature an intrinsic silicon crystal acts approximately like

a piece of copper wire
None of these
an insulator
a battery
a conductor

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Electronic Principles
Which one of the following phrasers best describes flux density?

The concentration of lines of magnetic force
None of these
The opposition to a build-up of magnetic fields
The force that maintains lines of force
The rate of change of the number of lines of magnetic force

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Electronic Principles
The dielectric constant of a material is a measure of:

the amount of voltage it can withstand before breaking down
how well the material concentrates magnetic lines of force
None of these
how well the material concentrates electrostatic lines of force
the amount of opposition to the current flow

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