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 |
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 |