Dimensional formula of resistivity

Resistivity
[M L3 T−3 A−2]
Written in full: [M¹ L³ T⁻³ A⁻² K⁰]

How to derive it

Resistivity = Resistance × Area ÷ Length

Put in the dimensions of each part: [ML²T⁻³A⁻²] × [L²] ÷ [L] = [M L³ T⁻³ A⁻²].

mass (M)
1
length (L)
3
time (T)
-3
current (A)
-2
temperature (K)
0

SI unit

The SI unit of resistivity is Ω·m.

Same dimensions as resistivity

None of the other quantities on this site share these exact dimensions.

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More from Current electricity

QuantityFormula
Electric resistance[M L2 T−3 A−2]
Electrical conductance[M−1 L−2 T3 A2]
Current density[L−2 A]