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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

The National Grid (GCSE Physics)

The following is a GCSE Physics test covering 'The National Grid' from the broader topic Electricity. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which of these is a direct benefit of stepping up voltage before long-distance transmission?
Why are losses from I^2R heating particularly important for long transmission routes?
Why is a step-down transformer used near towns and houses in the distribution network?
Which property of alternating current (AC) makes it practical to use transformers in the National Grid?
Which of these is a practical measure to reduce peak demand on the National Grid?
Which of the following best explains why bringing energy storage (like batteries) into the Grid is useful?
Why do transmission lines in the National Grid use very high voltages for long-distance power transfer?
Which technology can help the National Grid manage periods when renewable output is low?
How does using higher-voltage DC (HVDC) for very long subsea or land links compare with AC transmission?
Which of the following best describes the main purpose of the National Grid in the UK?
What is one consequence on the Grid if a major power station unexpectedly trips offline?