MCQOPTIONS
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MCQOPTIONS
| 1. |
When a force is applied on a wire of uniform cross-section area \[3\times {{10}^{-6}}{{m}^{2}}\] and length 4m, the increase in length is 1 mm. Energy stored in it will be (\[Y=2\times {{10}^{11}}N/{{m}^{2}}\]) |
| A. | 6250J |
| B. | 0.177J |
| C. | 0.075 J |
| D. | 0.150J |
| Answer» D. 0.150J | |