A standard 100 w 120 v lightbulb contains a 940 cm-long
A standard 100 W (120 V) lightbulb contains a 9.40 cm-long tungsten filament. The high-temperature resistivity of tungsten is 9.0*10^-7Om. What is the diameter of the filament?
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a standard 100 w 120 v lightbulb contains a 940 cm-long tungsten filament the high-temperature resistivity of tungsten
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