Electronic Principles
Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?

I = P/E
P = PR
None of these
R = E2/P
P = E2/R

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Like magnetic poles attract; unlike poles repel
None of these
Current is induced in a conductor that is moving through a magnetic field
Current flowing through a conductor generates a magnetic field
Like magnetic poles repel; unlike poles attract

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