Physics, 24.07.2020 19:01 djdjdoododdo837
A tungsten filament used in a flashlight bulb operates at 0.20 A and 3.0 V. If its resistance at 20°C is 1.5Ω, what is the temperature of the filament when the flashlight is on?
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A tungsten filament used in a flashlight bulb operates at 0.20 A and 3.0 V. If its resistance at 20°...
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