(A) The electrical conductivity of a material is inversely proportional to its electrical resistivity.Materials with lower resistivity are better cond

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(A) The electrical conductivity of a material is inversely proportional to its electrical resistivity.Materials with lower resistivity are better conductors of electricity.Comparing the values in the table,silver has the lowest resistivity of $1.6 \times 10^{-8} \, \Omega \, m$.Therefore,silver is the best conductor among the given materials.

Class 10 Science Electricity Ohm's Law and Resistance

Easy

Use the data in the table to answer the following: Which material is the best conductor?

Material Resistivity $(\Omega \,m)$

Silver $1.6 \times 10^{-8}$

Copper $1.62 \times 10^{-8}$

Aluminium $2.63 \times 10^{-8}$

Tungsten $5.20 \times 10^{-8}$

Nickel $6.84 \times 10^{-8}$

Iron $10.0 \times 10^{-8}$

Chromium $12.9 \times 10^{-8}$

Material	Resistivity $(\Omega \,m)$
Silver	$1.6 \times 10^{-8}$
Copper	$1.62 \times 10^{-8}$
Aluminium	$2.63 \times 10^{-8}$
Tungsten	$5.20 \times 10^{-8}$
Nickel	$6.84 \times 10^{-8}$
Iron	$10.0 \times 10^{-8}$
Chromium	$12.9 \times 10^{-8}$