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Example 49.1. A lamp giving out 1200 lm in all directions is suspended 8 m above the working plane. Calculate the illumina- tion at a point on the working plane 6 m away from the foot of the lamp. (Electrical Technology, Aligarh Muslim Univ.)

Example 49.1. A lamp giving out 1200 lm in all directions is suspended 8 m above the working plane. Calculate the illumina- tion at a point on the working plane 6 m away from the foot of the lamp. (Electrical Technology, Aligarh Muslim Univ.)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Example 49.1. A lamp giving out 1200 lm in all directions is suspended 8 m above the working plane. Calculate the illumina- tion at a point on the working plane 6 m away from the foot of the lamp. (Electrical Technology, Aligarh Muslim Univ.)
Transcribed Image Text:Example 49.1. A lamp giving out 1200 lm in all directions is suspended 8 m above the working plane. Calculate the illumina- tion at a point on the working plane 6 m away from the foot of the lamp. (Electrical Technology, Aligarh Muslim Univ.)
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