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?

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

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Electronic Principles
Current is

The number of free electrons in an atom
The flow of charged particles through a material
None of these
The force that causes electrons to flow
An imbalance of electrical charges

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