Higher grade

What does LED stand for?

• Light Electrical Device

• Light Emitting Diode

• Low Energy Device

• Light Energy Display

What is an LED?

• A Light Emitting Diode that lights up when current flows through it

• A device that stores electricity

• A type of battery that gives light

• A sound sensor used in circuits

Which leg of the LED is the negative side?

• Shorter leg

• Longer leg

• Both are same

• Curved leg

If both legs of an LED are the same length, how can you find the negative (-) side?

• The side with a flat edge on the LED is negative

• The side that shines more is negative

• The longer leg is still the negative side

• The side near the light is always positive

What happens when you connect an LED in the wrong direction?

• It glows brighter

• It won't glow

• It makes sound

• It rotates

What does a diode do in a circuit?

• Stores electricity

• Allows current in both directions

• Allows current in only one direction

• Makes sound

What does the term 'RGB' in RGB LED stand for?

• Right, Green, Battery

• Red, Green, Blue

• Relay, Glow, Bright

• Round, Glass, Base

If an RGB LED has one pin for negative (-), how many pins are for the positive (+) sides?

• 1

• 2

• 3

• 4

What color do you get when you mix red and green in an RGB LED?

• Blue

• Yellow

• Purple

• White

What happens when all three push-buttons (Red, Green, Blue) are ON in an RGB LED?

• You see black

• You see white light

• Only red shows

• The LED turns off