A wire is stretched under a force. If the wire suddenly snaps the temperature

A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire

Options

(a) remains the same
(b) decreases
(c) increases
(d) first decreases then increases

Correct Answer:

increases

Explanation:

Work done on the wire to strain it will be stored as energy which is converted to heat. Therefore the temperature increases.

admin:

Related Questions

  1. A thin and circular disc of mass M and radius R is rotating in a horizontal plane
  2. In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
  3. A comb run through one’s dry hair attracts small bits of paper. This is due to
  4. Which wavelengths of sun is used finally as electric energy?
  5. A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)