Test Academy | The work done in twisting a steel wire of length 25 cm and radius 2mm through 45° will be (η = 8 x 10¹⁰ N / m²) 2.48 J, 3.1 J, 15.47 J, 18.79 J

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The work done in twisting a steel wire of length 25 cm and radius 2mm through 45° will be (η = 8 x 10¹⁰ N / m²)

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2.48 J
3.1 J
15.47 J
18.79 J

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