Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Lead-acid battery
None of these
Zinc-carbon battery
Mercury-cell battery
Nicad battery

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Electronic Principles
What is a negative ion?

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

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

the amount of opposition to the current flow
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

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