Among silver and copper, which one is a better conductor and why?

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Solution

The two basic parameters to depict the better conductor among silver and copper are the “presence of free electrons” and the “resistivity”.
The presence of free electrons ensures that sufficient or abundant free electrons are present for the flow of current.
Resistivity depicts how difficult is it for the free electrons to move through a conductor to produce an electric current.
From pure coherent logic, a better conductor must have abundant free electrons and the least resistivity.
Silver has more free electrons as compared to copper.
The resistivity of silver is $" 1.59 \times 10^{- 8} Ω m "$ and the resistivity of copper is $" 1.68 \times 10^{- 8} Ω m "$
Presence of abundant free electrons and the least resistivity in the case of silver makes it a better conductor as compared to copper.
Hence, silver is a better conductor than copper.

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