A Nichrome heater dissipates 500 W when the applied potential difference is 110 V and the wire
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A Nichrome heater dissipates 500 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 200°C by immersing the wire in a bath of cooling oil? The applied potential difference remains the same, and α for Ni chrome at 800°C is 4.0 x 10-4 K-1.
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Let Ry be the resistance at the higher temperature 800C and let RI be the resistance a...View the full answer
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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