Electric current unit.

## The reasoning The **unit of electric current** is the **Ampere (A)**, named after French physicist André-Marie Ampère. Think of it this way: Current is the **flow of electric charge** — specifically, how much charge passes through a point per second. One ampere means one coulomb of charge flowing past a point every second (I = Q/t). The principle here is **knowing what each electrical quantity measures**: - **Current (I)** = flow of charge → **Ampere (A)** - Voltage (V) = electrical pressure → Volt (V) - Resistance (R) = opposition to flow → Ohm (Ω) - Power (P) = rate of energy transfer → Watt (W) ## Why the wrong options tempt you **A) Volt** — This measures electrical potential difference (voltage), not current. It's easy to mix up because both are fundamental electrical quantities. **B) Ohm** — This measures resistance. Students confuse it with current because of Ohm's Law (V = IR), where all three appear together. **D) Watt** — This measures power (energy per second). It's related to current (P = VI), but it's not the unit of current itself. ## Quick takeaway **"Amps measure the flow, Volts push it, Ohms slow it, and Watts show the power."** Remember: **A**mpere for **A**mount of current flowing!