GCSE Physics – The National Grid
Learning Objectives
-I can describe the parts of the National Grid and how they interact with each other
-I can describe how step-up and step-down transformers work
Quiz Summary
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Question 1 of 18
1. Question
What is the National Grid?
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Question 2 of 18
2. Question
Where does the National Grid transfer energy from?
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Question 3 of 18
3. Question
Where does the National Grid transfer energy to?
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Question 4 of 18
4. Question
How does doing work in cables transfer energy?
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Question 5 of 18
5. Question
What is the problem with transmitting electricity at high current?
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Question 6 of 18
6. Question
Why do the cables heat up?
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Question 7 of 18
7. Question
When the current is high in cables,
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Question 8 of 18
8. Question
What is the equation for energy lost due to heating?
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Question 9 of 18
9. Question
How is the national grid made more efficient?
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Question 10 of 18
10. Question
Where are step-up transformers in the National Grid?
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Question 11 of 18
11. Question
What are transformers made from?
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Question 12 of 18
12. Question
What metal are transformers made from?
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Question 13 of 18
13. Question
What do transformers alter?
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Question 14 of 18
14. Question
What type of transformer is used at the start of the National Grid?
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Question 15 of 18
15. Question
What type of transformer is used before electricity reaches consumers?
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Question 16 of 18
16. Question
What do step up transformers do?
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Question 17 of 18
17. Question
What do step down transformers do?
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Question 18 of 18
18. Question
How do step-up transformers work?
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