A nichrome wire and an aluminum wire, each with the sameinitial resistance, have the same change in resistance whenheated separately. (pA-2.82 x 10 ohm.m-8-3-6= 3.9 x 10 /°C; Phichrome = 2.50 x 10 mAI-3=0.40 x 10/ °C.) The ratio of the temperaturechange of the nichrome wire to thetemperature change of;a nichromethe aluminum wire isSelect one:а. 10b. 0.1c. 9.75d. 1

Answered: Image /qna-images/answer/dcde504d-0982-419b-b9d6-8e8a8e9aeda6.jpg

A nichrome wire and an aluminum wire, each with the same initial resistance, have the same change in resistance when heated separately. (PA=2.82 x 10 ohm.m -8 -3 -6 ;a = 3.9 x 10 /°C; Phichrome = 2.50 x 10 m Al -3 ;a nichrome =0.40 x 10/ °C.) The ratio of the temperature change of the nichrome wire to thetemperature change of the aluminum wire is

A nichrome wire and an aluminum wire, each with the same initial resistance, have the same change in resistance when heated separately. (PA=2.82 x 10 ohm.m -8 -3 -6 ;a = 3.9 x 10 /°C; Phichrome = 2.50 x 10 m Al -3 ;a nichrome =0.40 x 10/ °C.) The ratio of the temperature change of the nichrome wire to thetemperature change of the aluminum wire is

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

The resistance of copper wire (with a = 0.00393/C° at 20°C is 119 0. At 60 °C, its resistance would be about
A toaster has a Nichrome (a=4.5×10-4 °C-l) heating element that has a resistance of Ro= 80 Q at a temperature T=20 °C. When the toaster is turned on, the resistance of the element rises to 89.3 Q and its temperature is increased. Find the final temperature (in °C) of the heating element.
A certain material has a resistance of 250 Q at 20°C. The material is then heated to 1500°C, calculate the new resistance. Given the temperature coefficient of resistivity of the material is 4.65x10.³ °C-¹.
Do it plz
What temperature should a copper wire (which is originally at 20°C) reach to increase its resistance by 12%? Information: alpha = 0.0068 (C^-1) Help: The final resistance of the copper wire is R = 1.12Ro Write your answer with 2 significant figures.
A wire 3.00 m long and 0.450 mm² in cross-sectional area has a resistance of 40.2 at 20.0°C. If its resistance increases to 40.5 at 28.5°C, what is the temperature coefficient of resistivity? (°C) -1
A certain material is in a room at 25°C. If the absolute temperature (K) of the material is tripled, its resistance doubles. (Water freezes at 273 K.) What is the value for α, the temperature coefficient of resistivity?
The thermal coefficient of resistivity of iron is alpha = 5.0 x 10 ^ (- 3 / ° C), that of carbon is alpha = - 0.50 x 10 ^ (- 3 / ° C) When an iron wire and a carbon bar , both with a resistance of 10 Ω at 20 ° C, cool down to a temperature of -80 ° C, the new relationship between the resistance of the carbon rod and that of the iron wire at the lowest temperature is a.+1.9 b.-0.10 c.-10 d.+2.1 e.+10
Consider the following. R Vba = 12 V (a) Find the current through the resistor in the figure above. (Take R = 6 02.) (b) If the resistor is made of carbon, what will its resistance be when its temperature is increased by 97.0 C°? (The temperature coefficient of resistivity for carbon is -5.0 x 10-4 (°C)-¹.) b
option(s) will result in -2 marks. 6. The resistance of a copper wire is given by R = R, (1 + a(0 – 20)] where R, = (4.00 + 0.01)2 is the resistance of wire at 0 = 20°C. The value of resistance coefficient of copper is %3D %3D (4 x 10-3+ 1 x 10-4)/°C. It is connected with a battery of emf (10.0 + 0.1) V. (A) The resistance R at 0 = 25°C is (4.08 + 0.02)N (B) The resistance R at 0 = 50°C is (4.48 ± 0.03)N (C) The percentage error in calculation of power loss in resistance at 0 = 25°C is 3% (D) The percentage error in calculation of power loss in resistance at 0 = 50°C is 4% Space for Rough Work
A light bulb filament is made of tungsten wire with a resistivity, at room temperature (20°C), of 5.6 x 10-8 Q.m and a temperature coefficient of 0.0045 (°C)-1 The wire is 50 cm long and has a diameter of 45 Um. (a) What is the resistance of the filament at room temperature (20°C)? (Put this answer in the box) (b) What is the resistance of the filament at a typical operating temperature of 3000°C ? Answer:
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 39.5 Q at 20.0°C. If its resistance increases to 40.2 Q at 28.5°C, what is the temperature coefficient of resistivity? (°C)-1