Question

When one end of a metal rod is first heated, what happens to the temperature of its sections?

Options

• Temperature of each section remains constant

• Temperature of each section starts decreasing

• Temperature of each section starts increasing

• Temperature only changes at the hot end

Answer 1

Temperature of each section starts increasing

Explanation:

When heat is first applied, the rod is in the variable-temperature state, the temperature of every section starts increasing until steady state is reached.