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The pressure that has to be applied to the ends of a steel wire of length 10cm to keep its length constant when its temperature is raised by 100 is (For steel, Young's modulus is 2×1011Nm2 and coefficient of thermal expansion is 1.1×105K4)

(A)2.2×107Pa(B)2.2×106Pa(C)2.2×108Pa(D)2.2×109Pa

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