A standard 100 Watt (P = 100 W at 120 volts) light bulb contains a 7.10 cm -long tungsten filament. The high-temperature resistivity of tungsten is 9x10^-7 ohms/meter.
(a) What is the Resistance of this tungsten filament?
(b) What is the cross sectional area of this filament?
(c) What current is flowing throw this bulb?© BrainMass Inc. brainmass.com March 4, 2021, 11:05 pm ad1c9bdddf
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The solution is ...
This solution provides steps to determine resistance, the cross sectional area and current.