An electric current is passed through a wire 1 mm in diameter and 10 cm long. The wire is submerged in liquid water at atmospheric pressure, and the current is increased until the water boils. For this situation h = 5000 W/m2·C, and the water temperature will be 100◦C. How much electric power must be supplied to the wire to maintain the wire surface at 114◦C?
An electric current is passed through a wire 1 mm in diameter and 10 cm long. The wire is submerged in liquid water at atmospheric pressure, and the current is increased until the water boils. For this situation h = 5000 W/m2·C, and the water temperature will be 100◦C. How much electric power must be supplied to the wire to maintain the wire surface at 114◦C?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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An electric current is passed through a wire 1 mm in diameter and 10 cm long. The wire is submerged in liquid water at atmospheric pressure, and the current is increased until the water boils. For this situation h = 5000 W/m2·C, and the water temperature will be 100◦C. How much electric power must be supplied to the wire to maintain the wire surface at 114◦C?
Transcribed Image Text:Example 6: An electric current is passed through a wire 1 mm in diameter and 10 cm long. The
wire is submerged in liquid water at atmospheric pressure, and the current is increased until the
water boils. For this situation h = 5000 W/m²•°C, and the water temperature will be 100•C. How
much electric power must be supplied to the wire to maintain the wire surface at 114•C?
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