Question

an electric wire connected in a circuit gets heated up when​

Answer 1

Explanation:

Due to the wires having electrical resistance, which means that they resist the motion of electrons, the electrons bump into atoms on the outside of the wire, and some of their kinetic energy is given to the atoms as thermal energy. This thermal energy causes the wire to heat up.

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Answer 2

Answer:

When current is passed through it. Because work is done.

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