OPTO ELECTRONICS - Quiz

1) What is the minimum forward current If for single colour LEDs?

5 MA 10 MA 20 MA 30 MA

2) What is the forward voltage drop of single colour Red LED?

1.8 V 2 V 2.1 V 2.2 V

3) What is the typical forward voltage drop of the RED colour LED?

1.8 V 2 V 2.1 V 2.2 V

4) What is the maximum reverse voltage that can be applied across the general purpose LED?

8 V 12 V 15 V 32 V

5) What is the typical forward voltage drop of the yellow colour LED?

2.2 V 2.1 V 2 V 1.8 V