Energy transfers exam tips

Exam tips

• Energy transfers in everyday appliances exam tip 1

  Use precise subject-specific vocabulary when you explain how to calculate energy transferred from charge flow and potential difference..

  This keeps your answer tightly aligned to the approved learning objective for Energy transfers in everyday appliances.

• Energy transfers in everyday appliances exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain how the power of a circuit device relates to potential difference and current..

  This keeps your answer tightly aligned to the approved learning objective for Energy transfers in everyday appliances.

• Energy transfers in everyday appliances exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain how the power of a circuit device relates to energy transferred over a given time..

  This keeps your answer tightly aligned to the approved learning objective for Energy transfers in everyday appliances.

• Energy transfers in everyday appliances exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe relationships between appliance power ratings and changes in stored energy during use..

  This keeps your answer tightly aligned to the approved learning objective for Energy transfers in everyday appliances.

• Energy transfers in everyday appliances exam tip 1

  Use precise subject-specific vocabulary when you explain how to apply MS 3b and MS 3c skills when calculating electrical energy transfer..

  This keeps your answer tightly aligned to the approved learning objective for Energy transfers in everyday appliances.

• The National Grid exam tip 1

  Use precise subject-specific vocabulary when you explain how to describe the National Grid as a system of cables and transformers linking power stations to consumers..

  This keeps your answer tightly aligned to the approved learning objective for The National Grid.

• The National Grid exam tip 1

  Use precise subject-specific vocabulary when you explain how to state that electrical power is transferred from power stations to consumers using the National Grid..

  This keeps your answer tightly aligned to the approved learning objective for The National Grid.

• The National Grid exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain that step-up transformers increase potential difference from power stations to transmission cables..

  This keeps your answer tightly aligned to the approved learning objective for The National Grid.

• The National Grid exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain that step-down transformers decrease potential difference to a lower value for domestic use..

  This keeps your answer tightly aligned to the approved learning objective for The National Grid.

• The National Grid exam tip 1

  Use precise subject-specific vocabulary when you explain how to explain why a high potential difference in transmission cables reduces current for a given power transfer..

  This keeps your answer tightly aligned to the approved learning objective for The National Grid.