Electricity circuit models

What does the 'power source' in a circuit correspond to in the central heating system analogy?

• Radiator

• Pipes

• Boiler and pump

• Water particles

What are 'wires' represented by in the central heating system analogy?

• Boiler and pump

• Pipes

• Radiator

• Temperature of water

In the central heating system analogy, what does the 'component' such as a light bulb correspond to?

• Boiler and pump

• Pipes

• Radiator

• Water particles

What represents 'charges' in the central heating system analogy?

• How many and how quickly water is moving

• Temperature of water

• Water particles

• Difference in temperature before and after the radiator

How is 'current' depicted in the central heating system analogy?

• How many and how quickly water is moving

• Temperature of water

• Water particles

• Difference in temperature before and after the radiator

What is used to represent 'energy' in the central heating system analogy?

• How many and how quickly water is moving

• Temperature of water

• Water particles

• Difference in temperature before and after the radiator

What does 'potential difference' correspond to in the central heating system analogy?

• How wide the pipes are

• How rusty the pipes are

• Temperature of water

• Difference in temperature before and after the radiator

What challenge in a circuit is analogous to how wide or rusty the pipes are in a central heating system?

• Current

• Energy

• Resistance

• Potential difference

What does the coal mine represent in the circuit analogy?

• Wires

• Power source

• Energy

• Resistance

What is represented by the track in the circuit analogy?

• Power source

• Component (e.g., light bulb)

• Wires

• Charges