potential difference, V, in the equation to find volts, V any quantity the other two. Convert units into SI units where required. Use of standard form may also be required as well as understanding the meaning of the different prefixes used in a scientific context. 4.7.2.9 The National Grid is a Describe how 1 How does electricity get from the National Grid to Video clip system of cables and electrical power is the power station to our show how electricity is YouTube: transformers linking transferred from the homes? sent from power stations stations to consumers. power stations to the to consumers. A potential difference is consumers via the Electrical power is dangerous. Why is the Demonstrate how National Grid. transferred from power electricity sent at a high transformers work and Students will need to stations to consumers using potential difference rather than they are placed in be able to give the the National Grid. a low p.d.? the National Grid. types of transformer Step-up transformers are How do transformers work? used and describe used to increase the potential how the potential
potential difference, V, in volts, V the equation to find any quantity the other two. Convert units into SI units where required. Use of standard form may also be required as well as understanding the meaning of the different prefixes used in a scientific context. 4.7.2.9 The National Grid is a system of cables and transformers linking stations to consumers. Electrical power is transferred from power stations to consumers using the National Grid. Step-up transformers are used to increase the potential Describe how electrical power is transferred from the power stations to the consumers via the National Grid. Students will need to be able to give the types of transformer used and describe how the potential 1 How does electricity get from the power station to our homes? A potential difference is dangerous. Why is the electricity sent at a high potential difference rather than a low p.d.? How do transformers work? the National Grid to show how electricity is sent from power stations to consumers. Demonstrate how transformers work and they are placed in the National Grid. Video clip YouTube: