B blah New member Mar 13, 2010 #1 A 3.2 cm length of tungsten filament in a small lightbulb has a resistance of 0.023 ohms Find its diameter. (The resistivity is 5.6 × 10-8 ohms· m). Answer in units of mm.
A 3.2 cm length of tungsten filament in a small lightbulb has a resistance of 0.023 ohms Find its diameter. (The resistivity is 5.6 × 10-8 ohms· m). Answer in units of mm.