Problem 5: A nichrome rod of length LN 58 cm is connected in series (end to end) to a carbon rod of length Lc 8 cm. Both rods have cross-sectional areas of A 55 mm2. At T0 20° C the restístivity of nichrome is ρΝ-1.50 x 10-6 Ω-m and the resistivity of carbon is pc 3.50 x 10-5 Q-m. The temperature coefficient of nichrome is positive with value a-0.4 x 10-3 °C-1. The temperature coefficient of carbon is negative with a value ac--0.5 x 10-3 °c1. The nonlinear dependence of the resistivity on temperature T can be written as ρ ea(T-To) .odu @ theexpertta.com - tracking id: 2N74-2F-82-4A-BAAB-13167. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. A Part (a) Write an expression for the total resistance of the nichrome-carbon combination as a function of temperature in terms of quantities given in the introduction. Simplify your answer as much as possible A Part (b) Calculate the temperature in degrees Celsius for which the resistance of the carbon-nichrome combination will be a minimum Part (c) Calculate the value of the minimum resistance, in ohms. tan() acos() cos(0) atan() acotansinh() O Degrees Radians sin HOME cotanasi 4 5 6 cosh) cotanhO 0 BACKSPACE CLEAR Submit Hint I give up!
Problem 5: A nichrome rod of length LN 58 cm is connected in series (end to end) to a carbon rod of length Lc 8 cm. Both rods have cross-sectional areas of A 55 mm2. At T0 20° C the restístivity of nichrome is ρΝ-1.50 x 10-6 Ω-m and the resistivity of carbon is pc 3.50 x 10-5 Q-m. The temperature coefficient of nichrome is positive with value a-0.4 x 10-3 °C-1. The temperature coefficient of carbon is negative with a value ac--0.5 x 10-3 °c1. The nonlinear dependence of the resistivity on temperature T can be written as ρ ea(T-To) .odu @ theexpertta.com - tracking id: 2N74-2F-82-4A-BAAB-13167. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. A Part (a) Write an expression for the total resistance of the nichrome-carbon combination as a function of temperature in terms of quantities given in the introduction. Simplify your answer as much as possible A Part (b) Calculate the temperature in degrees Celsius for which the resistance of the carbon-nichrome combination will be a minimum Part (c) Calculate the value of the minimum resistance, in ohms. tan() acos() cos(0) atan() acotansinh() O Degrees Radians sin HOME cotanasi 4 5 6 cosh) cotanhO 0 BACKSPACE CLEAR Submit Hint I give up!
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter31: Radioactivity And Nuclear Physics
Section: Chapter Questions
Problem 3PE: (a) Repeat Exercise 31.2, and convert the energy to joules or calories. (b) If all of this energy is...
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