2. Calculate the energy efficiencies of four types of bulbs in the figure below. Only calculate bulbs with 450 lumens. Lighting-ideas.net Bulb Type Bright Brightest 450 Lumens 800 Lumens 1100 Lumens 1600 Lumens Rated Life Least Efficient Incandescent Energy used 40W $4.82/yr 60w $7.23/yr 75w $9.03/yr 100w $12.05/yr 1 Year Halogen Energy used 29w $3.49/yr 43w $5.18/yr 53w $6.38/yr 72w $8.67/yr 1-3 Years CFL Energy used 11w $1.32/yr 13w $1.57/yr 20w $2.41/yr 23w $2.77/yr 6-10 Years Most Efficient LED Energy used 9w $1.08/yr 12w $1.44/yr 17w $2.05/yr 20w $2.41/yr 15-20 Years
2. Calculate the energy efficiencies of four types of bulbs in the figure below. Only calculate bulbs with 450 lumens. Lighting-ideas.net Bulb Type Bright Brightest 450 Lumens 800 Lumens 1100 Lumens 1600 Lumens Rated Life Least Efficient Incandescent Energy used 40W $4.82/yr 60w $7.23/yr 75w $9.03/yr 100w $12.05/yr 1 Year Halogen Energy used 29w $3.49/yr 43w $5.18/yr 53w $6.38/yr 72w $8.67/yr 1-3 Years CFL Energy used 11w $1.32/yr 13w $1.57/yr 20w $2.41/yr 23w $2.77/yr 6-10 Years Most Efficient LED Energy used 9w $1.08/yr 12w $1.44/yr 17w $2.05/yr 20w $2.41/yr 15-20 Years
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
Transcribed Image Text:2. Calculate the energy efficiencies of four types of bulbs in the figure below. Only
calculate bulbs with 450 lumens.
Lighting-ideas.net
Bulb Type
Bright
Brightest
450
Lumens
800
Lumens
1100
Lumens
1600
Lumens
Rated Life
Least Efficient
Incandescent
Energy used
40W
$4.82/yr
60w
$7.23/yr
75w
$9.03/yr
100w
$12.05/yr
1 Year
Halogen
Energy used
29w
$3.49/yr
43w
$5.18/yr
53w
$6.38/yr
72w
$8.67/yr
1-3 Years
CFL
Energy used
11w
$1.32/yr
13w
$1.57/yr
20w
$2.41/yr
23w
$2.77/yr
6-10 Years
Most Efficient
LED
Energy used
9w
$1.08/yr
12w
$1.44/yr
17w
$2.05/yr
20w
$2.41/yr
15-20 Years
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
Recommended textbooks for you
Applications and Investigations in Earth Science …
Earth Science
ISBN:
9780134746241
Author:
Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:
PEARSON
Exercises for Weather & Climate (9th Edition)
Earth Science
ISBN:
9780134041360
Author:
Greg Carbone
Publisher:
PEARSON
Environmental Science
Earth Science
ISBN:
9781260153125
Author:
William P Cunningham Prof., Mary Ann Cunningham Professor
Publisher:
McGraw-Hill Education
Applications and Investigations in Earth Science …
Earth Science
ISBN:
9780134746241
Author:
Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:
PEARSON
Exercises for Weather & Climate (9th Edition)
Earth Science
ISBN:
9780134041360
Author:
Greg Carbone
Publisher:
PEARSON
Environmental Science
Earth Science
ISBN:
9781260153125
Author:
William P Cunningham Prof., Mary Ann Cunningham Professor
Publisher:
McGraw-Hill Education
Earth Science (15th Edition)
Earth Science
ISBN:
9780134543536
Author:
Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:
PEARSON
Environmental Science (MindTap Course List)
Earth Science
ISBN:
9781337569613
Author:
G. Tyler Miller, Scott Spoolman
Publisher:
Cengage Learning
Physical Geology
Earth Science
ISBN:
9781259916823
Author:
Plummer, Charles C., CARLSON, Diane H., Hammersley, Lisa
Publisher:
Mcgraw-hill Education,