Electronic Principles
What is a negative ion?

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

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Electronic Principles
What is a free electron?

An electron that has twice the amount of charge of a normal electron
An electron that costs nothing
An electron that has been freed from its parent atom
None of these
An electron that has no electrical charge

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Electronic Principles
What is the primary difference between primary and secondary cell batteries?

None of these
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged

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