A certain toaster has a heating element made of Nichromeresistance wire. When the toaster is first connected to a 120. - Vsource of potential difference (and the wire is at a temperatureof 20.0°C), the initial current is 1.80 A but the currentbegins to decrease as the resistive element warms up. Whenthe toaster reaches its final operating temperature, the currenthas dropped to 1.53 A. (a) Find the power the toasterconverts when it is at its operating temperature. (b) What isthe final temperature of the heating element?
A certain toaster has a heating element made of Nichromeresistance wire. When the toaster is first connected to a 120. - Vsource of potential difference (and the wire is at a temperatureof 20.0°C), the initial current is 1.80 A but the currentbegins to decrease as the resistive element warms up. Whenthe toaster reaches its final operating temperature, the currenthas dropped to 1.53 A. (a) Find the power the toasterconverts when it is at its operating temperature. (b) What isthe final temperature of the heating element?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 61P
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A certain toaster has a heating element made of Nichrome
resistance wire. When the toaster is first connected to a 120. - V
source of potential difference (and the wire is at a temperature
of 20.0°C), the initial current is 1.80 A but the current
begins to decrease as the resistive element warms up. When
the toaster reaches its final operating temperature, the current
has dropped to 1.53 A. (a) Find the power the toaster
converts when it is at its operating temperature. (b) What is
the final temperature of the heating element?
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