Physics, 08.10.2019 02:30 xDANTEx2456
Acylindrical tungsten filament 17.0cm long with a diameter of 1.20mm 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 12.5a at all temperatures ( resistivity of tungsten at 20 ? c is 5.25�10? 8? ? m , the temperature coefficient of resistivity at 20 ? c is 0.0045 ? c? 1 )a) what will be the maximum electric field in this filament? express your answer using two significant figures. b) what will be its resistance with that field? express your answer using two significant figures. c) what will be the maximum potential drop over the full length of the filament? express your answer using two significant figures.
Answers: 3
Physics, 22.06.2019 13:20
This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?
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Physics, 22.06.2019 14:30
Aracecar driver has to hold on tightly when going around a banked curve. approximately what is the centripetal force on a 2220.0 kg car going around a circle with a diameter of 190.0 meters at 25.0 m/s?
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Acylindrical tungsten filament 17.0cm long with a diameter of 1.20mm is to be used in a machine for...
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