An incandescent lamp filament has area 40 mm' and operates at a temperature of 1127°C. Assume that all the energy furnished to the bulb is radiated from it. If the filament's emissivity is 0.83, how much power must be furnished to the bulb when it is operating? (b)

An incandescent lamp filament has area 40 mm' and operates at a temperature of 1127°C. Assume that all the energy furnished to the bulb is radiated from it. If the filament's emissivity is 0.83, how much power must be furnished to the bulb when it is operating? (b)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Temperature as a Fundamental Dimension

There are certain rules to write dimensions of a physical quantity using the fundamental dimensions. They are outlined below.

Question

An incandescent lamp filament has area 40 mm and operates at a temperature of 1127°C.
Assume that all the energy furnished to the bulb is radiated from it. If the filament's emissivity
is 0.83, how much power must be furnished to the bulb when it is operating?
(b)

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