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A 1m long steel wire of cross-sectional area 1  is extended by 1 mm. If  , then the work done is

a)

0.1  J

b)

0.2  J

c)

0.3  J

d)

0.4  J


Question ID - 56323 | Toppr Answer

A 1m long steel wire of cross-sectional area 1  is extended by 1 mm. If  , then the work done is

a)

0.1  J

b)

0.2  J

c)

0.3  J

d)

0.4  J

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Work done  =

=

=



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