A certain lightbulb has a tungsten filament having a


A certain lightbulb has a tungsten filament having a resistance of 16 ? at 22°C and 155 ? when hot. Assume R = R0[1 + ?(T - T0)] can be used over the large temperature range here. Find the temperature of the filament when it is hot.

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Physics: A certain lightbulb has a tungsten filament having a
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