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The forward current for a red LED is 20 milliamps, which is the maximum current that the LED can take. The forward voltage here for the red LED, the minimum is 1.8 volts and the maximum is 2.2 volts. The voltage provided by the Uno microcontroller is 5 V. What size resistor should be used to limit the current to 10 mA? 500 ohms 0.5 ohms 0.28 ohms 250 ohms O 0.25 ohms

The forward current for a red LED is 20 milliamps, which is the maximum current that the LED can take. The forward voltage here for the red LED, the minimum is 1.8 volts and the maximum is 2.2 volts. The voltage provided by the Uno microcontroller is 5 V. What size resistor should be used to limit the current to 10 mA? 500 ohms 0.5 ohms 0.28 ohms 250 ohms O 0.25 ohms

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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The forward current for a red LED is 20 milliamps, which is the maximum current that the LED can take. The forward voltage here for the red LED, the minimum is 1.8 volts and the maximum is 2.2 volts. The voltage provided by the Uno microcontroller is 5 V. What size resistor should be used to limit the current to 10 mA? 500 ohms 0.5 ohms 0.28 ohms O 250 ohms O 0.25 ohms O 0.32 ohms O 280 ohms
Transcribed Image Text:The forward current for a red LED is 20 milliamps, which is the maximum current that the LED can take. The forward voltage here for the red LED, the minimum is 1.8 volts and the maximum is 2.2 volts. The voltage provided by the Uno microcontroller is 5 V. What size resistor should be used to limit the current to 10 mA? 500 ohms 0.5 ohms 0.28 ohms O 250 ohms O 0.25 ohms O 0.32 ohms O 280 ohms
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