A 2.0 cm long tungsten filament in a florescent light bulb has a radius of 0.3 mm. Assume constant 20 degree Celsius temperature during operation of the light bulb. 1 Calculate the cross-sectional area of the filament. 2Calculate the resistance of the wire.
A 2.0 cm long tungsten filament in a florescent light bulb has a radius of 0.3 mm. Assume constant 20 degree Celsius temperature during operation of the light bulb. 1 Calculate the cross-sectional area of the filament. 2Calculate the resistance of the wire.
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 91CP: A student uses a 100.00-W, 115.00-V radiant heater to heat the student’s dorm room, dining the hours...
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A 2.0 cm long tungsten filament in a florescent light bulb has a radius of 0.3 mm. Assume constant 20 degree Celsius temperature during operation of the light bulb.
1 Calculate the cross-sectional area of the filament.
2Calculate the resistance of the wire.
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