Answered: A led spot of power 8w and efficacy…

A led spot of power 8w and efficacy 75lm/w, has utilization factor of 0.352, lumen received on the working plane will be: Select one: O211.2 lumens O 300 lumens O 192.8 lumens O 210.8 lumens

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 16RQ: Explain the difference between cumulative- and differential-compounded connections.

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Question

A led spot of power 8w and efficacy 75lm/w, has utilization factor of 0.352, lumen received on the working plane will be:
Select one:
O211.2 lumens
O 300 lumens
O 192.8 lumens
O 210.8 lumens

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