An incandescent lamp has a tungsten filament whose resistance is 96 ohm at its operating temperature of 2900°C. Calculate the filament resistance when the lamp is disconnected from the electric source under which conditions the temperature is 24°C
An incandescent lamp has a tungsten filament whose resistance is 96 ohm at its operating temperature of 2900°C. Calculate the filament resistance when the lamp is disconnected from the electric source under which conditions the temperature is 24°C
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 49P: A copper wire has a resistance of 0.500 at 20.0°C and an iron wire has a resistance of 0.525 at the...
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Question
An incandescent lamp has a tungsten filament whose
resistance is 96 ohm at its operating temperature of
2900°C. Calculate the filament resistance when the lamp is
disconnected from the electric source under which
conditions the temperature is 24°C
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