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Which of the following is the SI unit of electric current?
A
(volt)
B
(ampere)
C
(watt)
D
(coulomb)
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1
Understand that electric current is defined as the rate of flow of electric charge through a conductor.
Recall that the SI unit of electric current is the ampere, symbolized as \(A\).
Recognize that the ampere is one of the seven base units in the International System of Units (SI).
Note that other units listed, such as volt (\(V\)), watt (\(W\)), and coulomb (\(C\)), represent different physical quantities: voltage, power, and electric charge respectively.
Therefore, the correct SI unit for electric current is the ampere (\(A\)).