Using four LEDs: Red, Amber, Green and Blue connected in series to an 18Vsupply, determine the resistance to achieve the desired operating conditions forthe combination of 4 LEDs. Assume that the current is 25mA. MaterialGAAIASWavelength (nm)ColorV-forward1.8Super RedGreen660GaP565RedGaAsP645646RedAllnGaPOrangeYellowAmberAllnGaP610AllnGaPGaAsP5906052.1RedGreenGreenGaP7002.1GaP5552.1AllnGaPSiC5742.2Blue4303.5GreenInGaN5053.5BlueInGaN4703.5WhiteInGaN3.5GreenGreenINGAN5253.7InGaN5254BlueSiC4304.5N222333

Material GAAIAS GaP Color Wavelength (nm) V-forward 1.8 Super Red Green 660 565 Red GAASP AllnGaP 645 646 Red Orange Yellow Amber AllnGaP 610 AllnGaP GAASP 590 605 2.1 Red Green Green Blue GaP 700 2.1 GaP 555 2.1 AllnGaP 574 2.2 SiC InGaN 430 3.5 Green 505 3.5 Blue InGaN 470 3.5 White INGAN 3.5 Green Green InGaN 525 3.7 InGaN 525 4 Blue SiC 430 4.5 N222333

Material GAAIAS GaP Color Wavelength (nm) V-forward 1.8 Super Red Green 660 565 Red GAASP AllnGaP 645 646 Red Orange Yellow Amber AllnGaP 610 AllnGaP GAASP 590 605 2.1 Red Green Green Blue GaP 700 2.1 GaP 555 2.1 AllnGaP 574 2.2 SiC InGaN 430 3.5 Green 505 3.5 Blue InGaN 470 3.5 White INGAN 3.5 Green Green InGaN 525 3.7 InGaN 525 4 Blue SiC 430 4.5 N222333

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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