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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 13 - Thermal Expansion, Calorimetry and Transmission of Heat > Span of a bridge is 2.4 km. At 30^oC a cable along the span sags by 0.5 km. Taking α = 12 × 10 −6 / oC, change in length of cable for a change in temperature from 10^oC to 42^oC is

Span of a bridge is 2.4 km. At 30^oC a cable along the span sags by 0.5 km. Taking α = 12 × 10 −6 / oC, change in length of cable for a change in temperature from 10^oC to 42^oC is

change in length of cable for a change in temperature from 10^oC to 42^oC is Span of a bridge is 2.4 km. At 30^oC a cable along the span sags by 0.5 km. Taking α = 12 × 10 −6 / oC