Diodes and Applications - Technical MCQs

Q1:

What is the current through the LED?

A 0 mA

B 23 mA

C 18 mA

D 13 mA

ANS:D - 13 mA

Approx. Voltage @LED (red) = 1.7V.

(6V - 1.7V)/330 ohms = 13.03mA.