Seneca
Sign up

Combining SI Units

Physics: AQA A Level, topic 1.1.2

Combining SI Units

SI base units can be combined to form lots of other useful SI units such as:

Hertz

Hertz

  • The SI unit for frequency.
  • Symbol is Hz.
Newton

Newton

  • The SI unit for force.
  • Symbol is N.
Joule

Joule

  • The SI unit for energy.
  • Symbol is J.
Watt

Watt

  • The SI unit for power.
  • Symbol is W.
Pascal

Pascal

  • The SI unit for pressure.
  • Symbol is Pa.
Coulomb

Coulomb

  • The SI unit for electric charge.
  • Symbol is C.
Volt

Volt

  • The SI unit for electric potential difference.
  • Symbol is V.
Ohm

Ohm

  • The SI unit for electrical resistance.
  • Symbol is Ω.
Tesla

Tesla

  • The SI unit for magnetic flux density.
  • Symbol is T.

Test yourself on Combining SI Units

  • Which of these are SI units?

  • What is the SI unit for frequency?

Practise this topic for free