If K and sigma respectively are the thermal and electrical conductivities of a metal absolute temperature T, then:

If K and sigma respectively are the thermal and electrical conductivit

1.	If K and sigma respectively are the thermal and electrical conductivities of a metal absolute temperature T, then:
Answer» `(K)/(sigmaT)`= CONSTANT `(K)/(SIGMA)` = constant `(K)/(T)` = constant `(sigma)/(KT)`= constant ANSWER :A