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satendra Grade: 12th pass
        
 If ‘S’ is stress and ‘Y’ is young’s modulus of material of a wire, the energy stored in the wire per unit volume is
(a) S2/2Y
(b) 2S2Y
(c) S/2Y
(d) 2Y/S2
3 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points
										

(a) Energy stored per unit volume,

E = 1/2 * stress * strain

We know that,

E = 1/2 * stress * stress/Y = 1/2 .S2/Y

3 years ago
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