1. Using an Example LED computation, What Valueseries resistor should be used to produce 21mA of LED,Rs = 1000 Q, the supply Voltage is 15 V. Assume that theLED drop is 2.5 V2. If the supply voltage is 12V, the orange LED resistoris in series 470Q, and the voltage drops of LED is 2V.What is the LEDS current?

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Answered: 1. Using an Example LED computation,…

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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