A certain light bulb has a tungsten filament with a, Physics

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A certain light bulb has a tungsten filament with a

Question: A certain light bulb has a tungsten filament with a resistance of 20.7 Ohms when at 20.0°C and 139 Ohms when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature range involved here.

Part A: Find the temperature of the hot filament.

I need help to determine the temperature of the hot filament.

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Physics: A certain light bulb has a tungsten filament with a

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