The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at aroom temperature of 200C and resistance of 132 ohms at normal operatingtemperature. Calculate the temperature of the heated filament. (α200C = 0.0045). The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at aroom temperature of 20°C and resistance of 132 ohms at normal operatingtemperature. Calculate the temperature of the heated filament. (a2o= 0.0045).%3D

In this answer let us find the operating temperature of the tungsten filament using the relation as…

The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at a room temperature of 200C and resistance of 132 ohms at normal operating temperature. Calculate the temperature of the heated filament. (α20

The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at a room temperature of 200C and resistance of 132 ohms at normal operating temperature. Calculate the temperature of the heated filament. (α20

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter16: Installation Of Heating, Cooling, And Refrigeration Systems

Section: Chapter Questions

Problem 2RQ

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Question

The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at a
room temperature of 200C and resistance of 132 ohms at normal operating
temperature. Calculate the temperature of the heated filament. (α20

0C = 0.0045).

The tungsten filament in an incandescent lamp has a resistance of 9.8 ohms at a
room temperature of 20°C and resistance of 132 ohms at normal operating
temperature. Calculate the temperature of the heated filament. (a2o
= 0.0045).
%3D

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