How long should the filament be in m

Reference no: EM13994371

Consider that a 0.105 mm diameter tungsten filament in a light bulb needs to have a resistance of 0.25 Ω at 20.0°C.

How long should the filament be in m, assuming the resistivity of tungsten is 5.60 x 10^-8 Ω·m?

Reference no: EM13994371

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