supplying electricity
Cards (30)
- What type of current does a cell or battery provide?
- How does direct current flow?
- What type of current does mains electricity provide?
- What happens to the direction of alternating current?
- What is the frequency of mains electricity supply in the UK?
- What is the voltage of mains electricity in the UK?
- What color is the earth wire?
- What is the purpose of the earth wire?
- What is the potential difference of the earth wire?
- When does the earth wire carry a current?
- What color is the neutral wire?
- What is the function of the neutral wire?
- What is the potential difference of the neutral wire?
- What color is the live wire?
- Why is the live wire considered dangerous?
- What happens if you touch the live wire?
- Where is the fuse connected?
- What occurs during a short circuit?
- What happens to the fuse during a short circuit?
- What is the purpose of a plastic case in electrical appliances?
- Why are copper wires used in electrical appliances?
- What is the national grid?
- What do transformers do in the national grid?
- At what potential difference do power stations generate electricity?
- What is the role of step-up transformers?
- What potential difference do cables in the national grid transfer electrical power at?
- What is the purpose of step-down transformers?
- What potential difference do homes and offices use?
- What are the key components of a plug and their functions?
- What are the functions of transformers in the national grid?