Test Academy | A wire of length L₀ is supplied heat to raise its temperature by T. If γ is the coefficient of volume expansion of the wire and Y is the Young’s modulus of the wire then the energy density stored in the wire is γ²T²Y/2, γ²T²Y/3, γ²T²/18Y, γ²T²Y/18

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A wire of length L₀ is supplied heat to raise its temperature by T. If γ is the coefficient of volume expansion of the wire and Y is the Young’s modulus of the wire then the energy density stored in the wire is

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γ²T²Y/2
γ²T²Y/3
γ²T²/18Y
γ²T²Y/18

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