In electrical notation, which symbol is typically used to denote voltage?

In electrical notation, which symbol is typically used to denote voltage?

• A. I
• B. V
• C. R
• D. P

Answer: (B)

Voltage is the electric potential difference between two points, and in electrical notation it is denoted by the symbol V. This choice aligns with the common unit name volt, and you’ll see it in circuit equations like V = I × R, where V represents voltage, I is current, and R is resistance. The other symbols correspond to different quantities: I for current, R for resistance, and P for power, so they aren’t used to denote voltage. Using V for voltage keeps the notation clear and consistent across formulas and diagrams.

Voltage is the electric potential difference between two points, and in electrical notation it is denoted by the symbol V. This choice aligns with the common unit name volt, and you’ll see it in circuit equations like V = I × R, where V represents voltage, I is current, and R is resistance. The other symbols correspond to different quantities: I for current, R for resistance, and P for power, so they aren’t used to denote voltage. Using V for voltage keeps the notation clear and consistent across formulas and diagrams.