A standard 100 W (120 V) lightbulb contains a 7.0-cm-long
Chapter 28, Problem 28.51(choose chapter or problem)
A standard 100 W (120 V) lightbulb contains a 7.0-cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0 * 10-7 m. What is the diameter of the filament?
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