Question

The SI unit of current is

• A. volt
• B. joule
• C. ampere
• D. coulomb

Answer 1

The correct option is C

ampere

Explanation for the correct option(s)

C: Ampere

• The SI unit of current is ampere $\left(A\right)$.
• 1 ampere is a flow of 1 coulomb charge through a circuit in 1 second.

Explanation for the incorrect option(s)

A: volt

Volt is the SI unit of potential difference.

B: joule

Joule is the SI unit of energy.

D: coulomb

Coulomb is the SI unit of charge.

Final answer: Thus, the SI unit of current is ampere $\left(A\right)$.