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silas asked in Science & MathematicsPhysics · 2 months ago

help please and thank you ?

A 2 cm length of tungsten filament in a small

lightbulb has a resistance of 0.08 Ohms 

Find its diameter. The resistivity of the

filament is 5.6 × 10^−8 Ohms  · m

Answer in units of mm

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