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Young's moduli of two wires A abd B are...

Young's moduli of two wires A abd B are in the ratio `7:4` wire A is `2M` long and has radius R. Wire B is `4.5` m long and has radius R. wire B is `1.5 m `long has radius `2mm` for a given load , then the value of `R` is close to:

A

`1.85mm`

B

`1.9mm`

C

`1.7mm`

D

`1.3mm`

Text Solution

Verified by Experts

The correct Answer is:
B
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