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A long metallic bar, supported at the tw...

A long metallic bar, supported at the two ends and loaded by a weight at its center, sign. The breadth and the depth of the bar are 5 cm and 10 cm, respectively. How much increase in the sag would take place if the bar is turned around so that the breadth and depthi are interchanged ?

A

4 times

B

2 times

C

8 times

D

`2.5` times

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