Question

The characteristics of two methods of heat transfer are listed below:

Method A: Does not transfer heat through solids and requires a medium for heat transfer
Method B: Requires a material medium and transfers heat from the hot end to the cold end of a solid

Which statement is correct?

Method A is convection and Method B is radiation.
Method A is radiation and Method B is convection.
Method A is radiation and Method B is conduction.
Method A is convection and Method B is conduction.