A metal rod is heated at end X.
Why does end Y of the metal rod become hot?
Energy is transferred from end X of the rod to end Y by movement of positive ions only.
Energy is transferred from end X of the rod to end Y by the vibration of positive ions and by the movement of electrons.
Energy is transferred from end X of the rod to end Y by movement of electrons only.
Energy is transferred from end X of the rod to end Y by vibration of positive ions only.
