Domestic Circuits

What color is typically used for the earth wire in a plug?

• Blue

• Brown

• Green and Yellow

• Red

Which component in a plug is not directly involved in conducting electricity?

• Live wire

• Neutral wire

• Cable Grip

• Earth wire

What happens if the fuse in a plug blows?

• The circuit remains closed

• The circuit is broken

• The plug becomes live

• The appliance continues to work

What is the purpose of the earth wire in a plug?

• To carry current to the appliance

• To prevent electrical shock

• To provide power to the fuse

• To grip the cable securely

What is the function of the fuse in a plug?

• To prevent electrical shock

• To carry current to the appliance

• To break the circuit if the current is too high

• To grip the cable securely

Which part of the plug ensures that the wires do not pull out?

• Fuse

• Cable grip

• Outer insulation

• Earth wire

What is the process of connecting the earth wire to the metal case of an appliance called?

• Insulating

• Earthing

• Charging

• Grounding

What is the purpose of connecting the earth wire to a metal plate or water pipe underground?

• To increase current

• To ensure a safe path for electricity

• To store energy

• To reduce appliance size

What is the main safety feature of the earth wire?

• It increases voltage

• It provides a safe path for fault current

• It stores electrical energy

• It reduces appliance weight

What is the result of connecting the earth wire to the metal case of an appliance?

• Increased efficiency

• Protection from electrocution

• Reduced weight

• Increased speed