Mathematics · Mensuration and Calculation
A 2-kW resistance heater wire whose thermal conductivity is 15 W/m.°C has a diameter of 4 mm and a length of 0.5 m. If the outer surface temperature of the resistance wire is 105°C, what is the temperature at the center of the wire during steady operation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1156°C
- 2146°C
- 3126°C✓
- 4136°C
Correct answer
126°C
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