P2 Unit 7 Electric

What electrical component is this?

• bulb

• connecting wires

• dry cell

• switch

What electrical component is this?

• bulb

• connecting wires

• dry cell

• switch

What electrical component is this?

• bulb

• connecting wires

• dry cell

• switch

What electrical component is this?

• bulb

• connecting wires

• dry cell

• switch

Diagram above show an open switch.

What will happen to the bulb if the open switch is connected in the circuit?

• The bulb will light up.

• The bulb will not light up.

• The bulb will explode.

• The bulb will spoil.

Diagram above show a closed switch.

What will happen to the bulb if the switch is connected in the circuit?

• The bulb will light up.

• The bulb will not light up.

• The bulb will explode.

• The bulb will spoil.

Predict what will happen if the switch in the circuit is replaced with conductor.

• The bulb will light up.

• The bulb will not light up.

• The bulb will explode.

• The bulb will spoil.

Predict what will happen if the switch in the circuit is replaced with insulator.

• The bulb will light up.

• The bulb will not light up.

• The bulb will explode.

• The bulb will spoil.

What is a conductor?

• Object that allows electrical energy to pass through.

• Object that does not allow electrical energy to pass through.

What is an insulator?

• Object that allows electrical energy to pass through.

• Object that does not allow electrical energy to pass through.