Two conducting wires X and Y of same diameter but different materials are joined in series across a battery . if the number density of electrons in X is twice that in Y . Find the ratio of drift velocity of electrons in the two wires. (Adithya Singh asked this) Incoming search terms:i want to [...]

## what is the thermal conductivity of a perfect conductor?

Soumya asked:

“What is the thermal conductivity of a perfect conductor?”

Ans:

Please check the link below for a detailed list of thermal conductivities of different materials.