Electronic Principles
A typical light switch in your home is a:

None of these
momentary push button switch
knife switch
rotary switch
toggle switch

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

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

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