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

Electronical energy
Chemical energy
Solar energy
None of these
Mechanical energy

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Electronic Principles
What is a negative ion?

An atom that contains more protons than neutrons
An atom that contains more electrons than neutrons
An atom that contains more electrons than protons
An atom that contains more protons than electrons
None of these

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