Question

Copper has electrical conductivity at 350K as 7.4×10^7mhom-1 and thermal conductivity as 520Wm^–1K^–1. Calculate Lorentz number

1)2. 65×10^-8

2)2.00×10^-8

3)2.54×10^-8

4)2.11×10^-8​

Answer 1

Answer:

76904,74857,844434,8653

Explanation:

5845÷4743×4846