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Physics
A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire.
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Q. A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire.
WBJEE
WBJEE 2008
Mechanical Properties of Solids
A
remains the same
8%
B
decrease
12%
C
increase
70%
D
first decrease then increase
10%
Solution:
Work done on the wire to strain it will be stored as energy which is converted to heat. Therefore the temperature increases.