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What is the unit of resistivity...

What is the unit of resistivity

A

Ohm

B

Ohm-`("meter")^2`

C

Ohm-meter

D

Ohm/meter

Text Solution

AI Generated Solution

To find the unit of resistivity, we can follow these steps: ### Step 1: Understand the Formula for Resistance The resistance (R) of a material is given by the formula: \[ R = \frac{\rho L}{A} \] where: - \( R \) is the resistance, - \( \rho \) is the resistivity, ...
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SI unit of resistivity is

What is unit for resistivity of a metal ?

(a) Define resistivity. Write an expression for the resistivity of a substance. Give the meaning of each symbol which occurs in it. (b) State the SI unit of resistivity. (c) Distinguish between resistance and resistivity. (d) Name two factors on which the resistivity of a substance depends and two factors on which it does not depend. (e) The resistance of a metal wire of length 1m is 26 Omega at 20^(@)C . if the diameter of the wire is 0.3mm, what will be the resistivity of the metal at that temperature?