Electrical components

What component would we use to make a circuit more sensitive?

• LED

• Resistor

• Transistor

• Capacitor

What is the function of a resistor?

• Stop current flow

• Limit voltage

• Limit current flow

• To light up

How do you know which is the negative leg?

• Shorter leg is positive

• Shorter leg is negative

• Negative leg is different color

• Positive legs always have a + on them

What is a current?

• A constant flow of electricity 
• A path that a current can flow along

Choose the correct electrical component according to the picture.

• bulb

• switch

• dry cell

• connecting wire