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JEE Main Physics question

PhysicsMechanical Properties of SolidsJEE Main

A force of 200 N is applied at one end of a wire of length 2 m and having area of cross-section . The other end of the wire is rigidly fixed. If coefficient of linear expansion of the wire and Young's modulus , and its temperature is increased by , then the increase in tension of the wire will be

Answer: (D)

Solution

Since the wire's ends are fixed, the temperature rise adds an additional thermal tension

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Question ID VK-155057