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Energy resources can be renewable or non-renewable - AQA - GCSE Physics - Question 1 - 2018 - Paper 1

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Energy resources can be renewable or non-renewable. Coal is a non-renewable energy resource. Name two other non-renewable energy resources. 1. 2. A wind turbine... show full transcript

Worked Solution & Example Answer:Energy resources can be renewable or non-renewable - AQA - GCSE Physics - Question 1 - 2018 - Paper 1

Step 1

A non-renewable energy resource.

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Answer

Two other non-renewable energy resources include:

  1. Nuclear
  2. Oil

Step 2

For how many hours did the wind turbine generate no electricity?

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Answer

Time = 4 hours

Step 3

What is the National Grid?

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Answer

The National Grid is a system of cables and transformers.

Step 4

Choose one reason why.

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Answer

The power output of wind turbines is unpredictable.

Step 5

Calculate how many wind turbines would be needed to generate the same power output as one coal-fired power station.

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Answer

To find the number of wind turbines needed:

ext{Number of wind turbines} = rac{1500 	ext{ MW}}{0.60 	ext{ MW}} = 2500

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