Physics · Elasticity
A steel rod of length ℓ and diameter d, fixed firmly at both ends, is uniformly heated to cause a temperature rise of ΔT. If Young's modulus is E and the coefficient of linear expansion is α, the thermal stress developed in the rod is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Eα(Δℓ)
- 2Eα(ΔT)✓
- 3α(ΔT)
- 4Zero
Correct answer
Eα(ΔT)
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