Current is the rate of flow of electrons per unit time and is measured in amperes (A). A coulomb (C) is the quantity of electricity conveyed in one second by a current of one ampere.
In electrical wiring, which of the following are proportional?
the length of the wire and the amount of the voltage |
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the diameter of the wire and the amount of the voltage |
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the length of the wire and the amount of the current |
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the diameter of the wire and the amount of the current |