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1. |
Two wires of same diameter of the same material having the length l and 2l. If the force F is applied on each, the ratio of the work done in the two wires will be [MP PET 1989] |
A. | 0.0430555555555556 |
B. | 1 : 4 |
C. | 2 : 1 |
D. | 1 : 1 |
Answer» B. 1 : 4 | |