Question

a cylinder of a material is 10 centimetre long and has a cross section of 2 cm square if its resistance along length be 20 of what will be its resistivity in number and Units​

Answer 1

Explanation:

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Answer 2

Answer:

Length L = 10 cm

Cross-section A = 2 cm2.

Resistance R = 20 ohm

We have R = ρL/A, where ρ is the resistivity.

ρ = RA/L = 20 x 2/10 = 4 ohm. m

Explanation:hope it helped u