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Edexcel A-Level Physics Units in Calculations

Review units in calculations in Edexcel A-Level Physics through SI base-unit derivations, derived quantities and unit checks from data.

Syllabus
Pearson Edexcel International Advanced Subsidiary/Advanced Level
Course
Physics XPH11/YPH11
Level
AS

Exam points

  • identify SI base units for derived quantities such as farads, watts and tesla
  • show formula units by substituting base or derived units into calculation expressions
  • check whether table units are consistent by calculating values such as current from R = V/I

C.0.1—Units in calculations question 1

[Maximum number: 1]

Which of the following derived units can be expressed in SI base units as kgm2 s−3\mathrm{kg} \mathrm{m}^{2} \mathrm{~s}^{-3} ?

A

coulomb

B

joule

C

volt

D

watt

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