A certain lightbulb has a tungsten filament having a
A certain lightbulb has a tungsten filament having a resistance of18 Ω at 25°C and 150 Ω whenhot. Assume R = R0[1 +α(T - T0)] can be usedover the large temperature range here. Find the temperature of the filament when it is hot.
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a certain lightbulb has a tungsten filament having a resistance of18 omega at 25degc and 150 omega whenhot assume r
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