The resistivity mathit P of a material of lengt... - WAEC Physics 2011 Question
The resistivity, \(\mathit{P}\), of a material of length l, cross-sectional area A, resistance R, is given by the equation
A
\(\mathit{P} = \frac{RA}{l}\)
B
\(\mathit{P} = \frac{l}{RA}\)
C
\(\mathit{P} = \frac{Rl}{A}\)
D
\(\mathit{P} = \frac{R}{Al}\)
correct option: a
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