Electronic Principles
The direction of electron current flow is:

from positive to negative
from right to left
None of these
from neutral to positive
from negative to positive

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

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

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