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

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 electrostatic lines of force
how well the material concentrates magnetic lines of force

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Current flowing through a conductor generates a magnetic field
None of these
Like magnetic poles repel; unlike poles attract
Like magnetic poles attract; unlike poles repel
Current is induced in a conductor that is moving through a magnetic field

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