Electronic Principles
What is a negative ion?

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

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

cuts the current through the inductors one-half
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
has no effect on the current through the inductors
None of these
doubles the amount of current through the inductors

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