****Show all forces, motion/free-body diagrams, calculations, equations, significant figures and work. **** A Nichrome heater dissipates 519 W when the applied potential difference is 110 V and the wire temperature is 800°C. What would be the dissipation rate if the wire temperature were held at 203°C by immersing the wire in a bath of cooling oil? The applied potential difference remains the same, and α for Nichrome at 800°C is 4.0 × 10⁻⁴ K⁻¹.

Answered: hrome heater dissipates 519 W when the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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****Show all forces, motion/free-body diagrams, calculations, equations, significant figures and work. ****

A Nichrome heater dissipates 519 W when the applied potential difference is 110 V and the wire temperature is 800°C. What would be the dissipation rate if the wire temperature were held at 203°C by immersing the wire in a bath of cooling oil? The applied potential difference remains the same, and α for Nichrome at 800°C is 4.0 × 10⁻⁴ K⁻¹.

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$Given Power, P_{1} = 519 W, Potential difference, V_{1} = 110 V, T_{i} = 800 ° C = 800 + 273 = 1073 K T_{f} = 203 ° C = 203 + 273 = 476 K for Nichrome at 800 ° C, α = 4.0 x 10^{- 4} K^{- 1}$

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