A cylindrical tungsten filament 16.0 cm long with be used in a machine for which the temperature will range from room temperature (20 °C) up to 120 °C. It will carry a current of 11.5 A at all temperatures ( Resistivity of tungsten at 20 °C is 5.25 x 10 N- m, the temperature coefficient of resistivity at 20 °C is 0.0045 °C`') diameter of 1.20 mm is to Part A What will be the maximum electric field in this filament? Express your answer using two significant figures. E- V/m Submit Reguest Answer Part B What will be its resistance with that field? Express your answer using two significant figures. R. 1 Submit Request Answer Part C What will be the maximum potential drop over the full length of the filament? Express your answer using two significant figures.

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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)...
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A cylindrical tungsten filament 16.0 cm long with
be used in a machine for which the temperature will range from room
temperature (20 °C) up to 120 °C. It will carry a current of 11.5 A at all
temperatures ( Resistivity of tungsten at 20 °C is 5.25 x 10 N- m, the
temperature coefficient of resistivity at 20 °C is 0.0045 °C`')
diameter of 1.20 mm is to
Part A
What will be the maximum electric field in this filament?
Express your answer using two significant figures.
E- V/m
Submit
Reguest Answer
Part B
What will be its resistance with that field?
Express your answer using two significant figures.
R. 1
Submit
Request Answer
Part C
What will be the maximum potential drop over the full length of the filament?
Express your answer using two significant figures.
Transcribed Image Text:A cylindrical tungsten filament 16.0 cm long with be used in a machine for which the temperature will range from room temperature (20 °C) up to 120 °C. It will carry a current of 11.5 A at all temperatures ( Resistivity of tungsten at 20 °C is 5.25 x 10 N- m, the temperature coefficient of resistivity at 20 °C is 0.0045 °C`') diameter of 1.20 mm is to Part A What will be the maximum electric field in this filament? Express your answer using two significant figures. E- V/m Submit Reguest Answer Part B What will be its resistance with that field? Express your answer using two significant figures. R. 1 Submit Request Answer Part C What will be the maximum potential drop over the full length of the filament? Express your answer using two significant figures.
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