2. What value of series resistor is required to limit the current through a LED to 20 mA with a forward voltage drop of 1.6 V when connected to a 10V supply? +10 V 20 mA Green 1 Si A 1.6 V R

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter7: Parallel Circuits
Section: Chapter Questions
Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....
Question
2. What value of series resistor is required to limit the current through a
LED to 20 mA with a forward voltage drop of 1.6 V when connected to a
10V supply?
+10 V
20 mA
Green T
Si
1.6 V
R
Transcribed Image Text:2. What value of series resistor is required to limit the current through a LED to 20 mA with a forward voltage drop of 1.6 V when connected to a 10V supply? +10 V 20 mA Green T Si 1.6 V R
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