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A copper wire 2 m long is stretched by 1 mm. If the energy stored in the stretched wire is converted to heat, calculate the rise in temperature of the wire. (Given, density of copper= and specific heat of copper =

a)

b)

(1/ 252)

c)

d)

2000



Question ID - 55876 | SaraNextGen Top Answer

A copper wire 2 m long is stretched by 1 mm. If the energy stored in the stretched wire is converted to heat, calculate the rise in temperature of the wire. (Given, density of copper= and specific heat of copper =

a)

b)

(1/ 252)

c)

d)

2000

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

But

E in calorie =

Now,

Or  

=

127 votes


127