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The young's modulus of the material of a wire is equal to the......

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The young's modulus of the material of a wire is equal to the...... 

(A) stress required to increase its length four times 

(B) stress required to produce unit strain 

(C) strain produced in it 

(D) stress acting on it

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1 Answer

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Best answer

Correct option: (B) stress required to produced unit strain

Explanation:

Y = Young's modulus = [{linear stress} / {longitudinal strain}] 

If strain equals to unity then 

Y = linear stress produced

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