The law that K/σT (where K is thermal conductivity, σ is electrical – McqOptions

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1.	The law that K/σT (where K is thermal conductivity, σ is electrical conductivity and T is absolute temperature) for all metals is equal to a universal constant is known as
A.	Lorentz law
B.	Wiedemann Franz law
C.	Curie Weiss law
D.	Kittel law
Answer» B. Wiedemann Franz law

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