Navigate

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.

WB2008
admin:

Related Questions

  1. For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
  2. A solid which is transparent to visible light and whose conductivity increases
  3. A body travelling along a straight line traversed one-third of the total distance
  4. If sound wave travel from air to water, which of the following remains unchanged?
  5. From a disc of radius R, a concentric circular portion of radius r is cut-out so