In the context of electric potential (voltage), what is the SI unit used to measure voltage?

• A. Ohm ($\Omega$)
• B. Volt ($V$)
• C. Coulomb ($C$)
• D. Ampere ($A$)

Answer: (B)

Verified step by step guidance

1. Understand that electric potential, commonly known as voltage, is a measure of the potential energy per unit charge.
2. Recall that the SI unit for electric potential (voltage) is the Volt, symbolized as \(V\).
3. Recognize that the Volt is defined as one joule per coulomb, which means \$1\,V = 1\,J/C$.
4. Note that other units mentioned, such as Ohm (\(\Omega\)), Coulomb (\(C\)), and Ampere (\(A\)), represent different physical quantities: resistance, electric charge, and electric current respectively.
5. Therefore, the correct SI unit to measure voltage is the Volt (\(V\)).