DETAILS MY NOTES ASK YOUR TEACHER OSCOLPHYS2016 20.3.WA.019. A copper wire has a resistance of 0.505 13 at 20.0°C, and an iron wire has a resistance of 0.537 0 at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 x 10(c) and for iron it is 5.00 x 10(C)-¹, "C Additional Materials PRACTICE ANOTH

DETAILS MY NOTES ASK YOUR TEACHER OSCOLPHYS2016 20.3.WA.019. A copper wire has a resistance of 0.505 13 at 20.0°C, and an iron wire has a resistance of 0.537 0 at the same temperature. At what temperature are their resistances equal? The temperature coefficient of resistivity for copper is 3.90 x 10(c) and for iron it is 5.00 x 10(C)-¹, "C Additional Materials PRACTICE ANOTH

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 57PQ

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ostro Imssb1.mutah.edu.jo/mod/ A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature (in units of C) when its resistance is 77 N. Assume the temperature coefficient of resistivity to be a= 3.92x 10 C
A thermometer made of Platinum has a resistance of 50 N at 20 C, what is the measured temperature (in units of C) when its resistance is 78.2 N. Assume the temperature coefficient of resistivity to be a= 3.92x 10-3c1 Select one: O A. 398.98 O B. 163.87 OC. 107.47 OD. 634.08 O E. 143.87 Next page
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Not a graded question. It is a research hypothesis. 1. A copper ros is 3 m long and 4 mm in diameter. Compute its resistance if the resistivity of the materials is 1.76 × 10-8 ohms-m 2. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10 aluminum wire is needed to give a resistance of 1 ohms? Aluminum has p of 2.8 × 10-8 ohms-m 3. Compute the resistance of a 190-m wire made of silver having a cross-sectional area of 0.55mm2. Silver has a resistivity of 1.6 × 10-8 ohms-m
A thermometer made of Platinum has a resistance of 50 N at 20 C, what is the measured temperature (in units of C) when its resistance is 84 2. Assume the temperature coefficient of resistivity to be a= 3.92x10-3 C-1 Select one: OA. 173.47 O B. 125.47 OC. 428.57 OD. 193.47 OE. 663.67 Next page page 953 PM
9:05 7 A Imssb1.mutah.edu.jo Question 8 Not yet answered Marked out of 7 P Flag question A thermometer made of Platinum has a resistance of 50 Q at 20 C, what is the measured temperature (in units of C) when its resistance is 80.3 Q. Assume the temperature coefficient of resistivity to be a= 3.92×10-3 C-1 Select one: O A. 409.69 О в. 113.99 O C. 154.59 O D. 174.59 O E. 644.79 Previous page Next page Quiz navigation 1 2 4 5 7 8 10 |13 14 |I15 |
A piece of wire of length 31.5 cm and cross-sectional area 227.4 cm² is made into a resistor of resistance 713.8 ohm. What is the resistivity of the material used to create the resistor? O a. 5113020.78 ohm-metre O b. 10.04 ohm-metre O c. 5152.96 ohm-metre d. 98.88 ohm-metre Oe. 51.53 ohm-metre Of. 515295.62 ohm-metre O g. 0.10 ohm-metre Oh. 0.99 ohm-metre