Physics, 27.06.2020 21:01 ErrorNameTaken505
A 60 W lightbulb has a resistance of 240 ohms. At the operating temperature of the tungsten filament, the resistivity is approximately5.0x10^-7 ohms. If the wire used to make the filament is 0.040 mm in diameter (a typical value), how long must the filament be
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A 60 W lightbulb has a resistance of 240 ohms. At the operating temperature of the tungsten filament...
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