Electronic Principles
Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs?

P = I2R
None of these
I = P/E
P = IE
P = E2/R

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Electronic Principles
Voltage is

The smallest electrically charged particle
The number of free electrons in an atom
None of these
The flow of charged particles through a material
Trie force that causes electrons to flow

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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
Like magnetic poles repel; unlike poles attract
Current flowing through a conductor generates a magnetic field

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