Wires

The video tutorial covers the importance of electrical safety, focusing on the wiring of plugs and the role of insulation. It explains the function of live, neutral, and earth wires, and how they contribute to the safe operation of electrical appliances. The video also discusses the role of fuses in preventing electrical fires and the significance of wire insulation. Additionally, it provides tips on remembering wire color codes and emphasizes the importance of replacing damaged chargers.

What is the primary function of an appliance in an electrical circuit?

• To transfer energy from one form to another

• To generate electricity

• To disconnect the circuit

• To store electrical energy

Which wire in a 3-pin plug is responsible for carrying the electric current into the plug?

• Live wire

• Earth wire

• Insulation wire

• Neutral wire

What is the purpose of the earth wire in an electrical plug?

• To increase voltage

• To carry the current into the plug

• To complete the circuit

• To provide a safety route for current

What happens when a fuse in a plug 'blows'?

• The circuit is broken

• The circuit is completed

• The current doubles

• The voltage increases

Why is plastic used as an outer insulation for wires?

• It increases the current flow

• It is an electrical insulator

• It is a good conductor of electricity

• It is cheaper than metal