Multiple choice general knowledge science & technology

What is the SI unit of current?

  1. watt

  2. joule

  3. ampere

  4. volt
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ampere (A) is the SI unit of electric current - one of the seven base SI units. Watt measures power, joule measures energy, and volt measures electric potential difference. Current is the flow of electric charge, and its unit is named after André-Marie Ampère.

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