Question: An individual white LED ( light - emitting diode ) has an efficiency of 2 0 % and uses 1 . . How many LEDs

An individual white LED (light-emitting diode) has an efficiency of 20% and uses 1.. How many LEDs must be combined into one light source to give a total of 3.8 W of visible-light output (comparable to the light output of a 100 W incandescent bulb)?0 W of electric power. What total power is necessary to run this LED light source?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

Q:

Create a lab report for Ohm's Law. I will provide the material and instructions: Ohm's Law Ohm's law states that if a conductor is kept at a constant temperature, the current (?) flowing through it,...

Q:

Lighting the Way at the Manor House Hotel Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in hospitality...

Q:

Lighting the Way at the Manor House Hotel Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in hospitality...

Q:

CASE STUDY: LIGHTING THE WAY AT THE MANOR HOUSE HOTEL Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in...

Q:

Lighting the Way at the Manor House Hotel Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in hospitality...

Q:

Lighting the Way at the Manor House Hotel Andre and Melissa had long ago set their sights on owning and managing their own business. The most natural fit for the Barmores was the hotel industry where...

Q:

CASE STUDY: LIGHTING THE WAY AT THE MANOR HOUSE HOTEL Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in...

Q:

CASE STUDY: LIGHTING THE WAY AT THE MANOR HOUSE HOTEL Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in...

Q:

CASE STUDY: LIGHTING THE WAY AT THE MANOR HOUSE HOTEL Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in...

Q:

CASE STUDY: LIGHTING THE WAY AT THE MANOR HOUSE HOTEL Andre and Melissa Barmore met while attending a prestigious East Coast business school. After graduation, Andre worked for several years in...

Q:

1, 9, 8, 4, 3 We have provided simple data sets for you to practice the basics of finding measures of center. For each data set, determine the a. Mean. b. Median. c. Mode(s).

Q:

Let g(x) = tan x. Estimate the value of g(/4) in two ways; (a) By using Definition 2 and taking successively smaller values of h. (b) By zooming in on the graph of y = tan x and estimating the slope.

Q:

In conducting a title search through the public records, one first searches backwards through the grantor index. forward through the grantor index. backwards through the grantee index. forward...

Q:

Problem 4-01 The following information is related to Tamarisk Company for 2020. Retained earnings balance, January 1, 2020 Sales Revenue Cost of goods sold Interest revenue Selling and administrative...