Electronic Principles
What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W?

None of these
89.3 ohm
224 ohm
88.8 ohm
77.7 ohm

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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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Electronic Principles
The north pole of a magnet is the one:

that would be attracted to the earth's south magnetic pole
that would be repelled by the south pole of another magnet
None of these
that has its molecules arranged in a random pattern
that would be attracted to the earth's north magnetic pole

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