Question:
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
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Higher thermal conductivity means faster heat transfer.
Updated On: Mar 17, 2026
- 20C
- 40C
- 80C
- 100C
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The Correct Option is B
Solution and Explanation
Step 1: Heat conduction formula, (Q)/(t) = (KAΔ T)/(L)
Step 2: Substituting values, 600 = (200 × 0.75 × Δ T)/(1)
Step 3: Δ T = 40C
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