2. The filament of a certain light bulb is made of tungsten and has a length of 0.48 m and a circular cross-section with a diameter of 0.062 mm. a. Calculate the resistance of the filament at room temperature. b. A 4.0 V voltage applied to the filament results in a 0.078 A current. Determine the temperature of the filament under these conditions.
2. The filament of a certain light bulb is made of tungsten and has a length of 0.48 m and a circular cross-section with a diameter of 0.062 mm. a. Calculate the resistance of the filament at room temperature. b. A 4.0 V voltage applied to the filament results in a 0.078 A current. Determine the temperature of the filament under these conditions.
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 70PE: Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b)...
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The filament of a certain light bulb is made of tungsten and has a length of 0.48 m and a circular cross-section with a diameter of 0.062 mm.
a. Calculate the resistance of the filament at room temperature.
b. A4.0 V voltage applied to the filament results in a 0.078 A current. Determine the temperature of the filament under these conditions.
I need to show all work please
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