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Power Factor

The work done...

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The work done per unit volume to stretch the length of area of cross section 2mm2 by 2% will be (Y=810 to the power 10N/m2) 1)40MJ/m3 2)16 " 3)64 " 4)32 "

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Q. The work done per unit volume to stretch the length of area of cross-section

2 {mm}^{2}

2 %

will be
Take the young's modulus of material as

[Y = 8 \times 10^{10} {N/m}^{2}]

Q. The work done per unit volume to stretch the length of area of cross- section 2

m m^{2}

Q. The work done per unit volume to stretch the length of a wire having area of cross-section

5 {mm}^{2}

4 %

will be
(Take Young's modulus

Y = 8 \times 10^{10} {N/m}^{2}

)

Q. The work done per unit volume to stretch the length of a wire having area of cross-section

5 {mm}^{2}

4 %

will be
(Take Young's modulus

Y = 8 \times 10^{10} {N/m}^{2}

)

Q. The work done per unit volume to stretch the length of area of cross-section

2 {mm}^{2}

2 %

will be
Take the young's modulus of material as

[Y = 8 \times 10^{10} {N/m}^{2}]

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