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Meter Bridge

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For a material of poison ratio 0.20 under an external stress, if the longitudinal strain is 0.01 the percentage change in diameter of wire

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Q. For a material

σ = - 0.25

under an external stress, the longitudinal strain is

10^{- 2}

. The percentage change in the diameter of the wire is

^{'} σ^{'}

of a material is 0.20. If a longitudinal strain of

4.0 \times 10^{- 3}

is caused, by what percentage will the volume change -

σ

of a material is

0.20.

If a longitudinal strain of

4.0 \times 10^{- 3}

is caused in a rod, by what percentage will the volume change?

Q. The volume of a wire remains constant, when subjected to tensile stress is applied on it. If the percentage change in lateral strain is

2

%, then percentage change in longitudinal strain is

Q. A uniform rod undergoes a longitudinal strain of

2

. find percentage change in its volume if poisson's ratio of the material is

0.50

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