A cylindrical tungsten filament 17 0 cm long with a diameter

Last updated: 6/10/2023

A cylindrical tungsten filament 17 0 cm long with a diameter of 1 10 mm is to 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 0 A at all temperatures Resistivity of tungsten at 20 C is 5 25 x 10 8 2 m the temperature coefficient of esistivity at 20 C is 0 0045 C Part A What will be the maximum electric field in this filament Express your answer using two significant figures E Submit Part B VAXO Request Answer d O W V m