Smallest Resistivity – Rankers Physics

Relation between Current and Drift Velocity: Practice Problem & Solution

On the basis of electrical conductivity, which one of the following material has the smallest resistivity?
Glass
Silicon
Germanium
Silver

Solution Explained:

To solve this problem, we apply the core principles of Relation between Current and Drift Velocity. Understanding the underlying formula is key to arriving at the correct answer below:

Silver is a metal with a very high electrical conductivity, which means it has the lowest resistivity among the given options (glass is an insulator, while silicon and germanium are semiconductors).

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