Scelta multipla
In a series circuit, which of the following statements about the electric current is correct?
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27. Resistors & DC Circuits
Intro to Current
Scelta multipla
In the SI system, the basic unit of electric current is the:
A
ampere (A)
B
coulomb (C)
C
ohm ()
D
volt (V)
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Understand that the SI system defines base units for fundamental physical quantities, such as length, mass, time, and electric current.
Recall that electric current is the flow of electric charge per unit time, and its base unit in the SI system is named after André-Marie Ampère.
Recognize that the ampere (A) is the SI base unit for electric current, defined by the flow of one coulomb of charge per second.
Note that coulomb (C) is the unit of electric charge, ohm (Ω) is the unit of electrical resistance, and volt (V) is the unit of electric potential difference, none of which are base units for current.
Conclude that the correct SI base unit for electric current is the ampere (A).
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