Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

None of these
Solar energy
Electronical energy
Chemical energy
Mechanical energy

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Electronic Principles
Current is

The number of free electrons in an atom
The force that causes electrons to flow
An imbalance of electrical charges
None of these
The flow of charged particles through a material

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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 electrostatic lines of force
None of these
how well the material concentrates magnetic lines of force
the amount of opposition to the current flow

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