Question 1
EasyOriginal questionWhat is the SI unit of electric current?
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
Current is measured in amperes, and the ampere is one of the seven SI base units.
The volt measures potential difference, the watt measures power, and the ohm measures resistance.
The three are linked: one watt is one volt times one ampere.
- Concept
- SI units of electrical quantities
- Typical timeTypical
- 30 s
- Your timeYours
- —
Practise this chapter →
Ten questions from Everyday Physics, at your own pace.