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.

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.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 63P: Consider a power plant is located 60 km away from a residential area uses Q-gauge (A=42.40mm2) wire...

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