b) A certain bright Red LED drops 2.2 V at a maximum current of 20 mA. i) What power is dissipated by the LED? ii) What series resistor is required to limit the current to 20 mA from a 5.0 V source? 5.0 V
b) A certain bright Red LED drops 2.2 V at a maximum current of 20 mA. i) What power is dissipated by the LED? ii) What series resistor is required to limit the current to 20 mA from a 5.0 V source? 5.0 V
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter9: Measuring Instruments
Section: Chapter Questions
Problem 5PP: 5. A digital voltmeter indicates a voltage of 2.5 V when 10 of current flow through a resistor....
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