Question

A complete circuit is left on for several minutes, causing the connecting copper wire to become hot. As the temperature of the wire increases, the electrical res istance of the wire

A) decreases
B) remains the same
C) increases

Answer 1

The electrical resistance of a copper wire increases as its temperature rises due to more intense atomic vibrations that hinder the flow of electrons.

Step-by-step explanation:

When a copper wire is heated, the electrical resistance of the wire actually increases. This occurs because as the temperature increases, the atom vibrations within the copper become more intense, which in turn makes it harder for the electrons to flow through the material - this results in an increase in electrical resistance. In response to the question, as the temperature of the wire increases, its electrical resistance C) increases.