GCSE Level Questions: Transformers
Q3. The diagram shows a transformer
(a)
(i) What is part A?
(1 mark)
(ii) What is part B and what is it made of?
(2 marks)
(iii) When there is an alternating current in the primary coil, what is produced in part B?
(2 marks)
(b) Transformers are used in the National Grid. The diagram shows part of the National Grid.
Complete the sentence in the box:
Transformer C is a _ _ _ _ _ transformer and
transformer D is a _ _ _ _ _ transformer.
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(1 mark)
(c) This is an item from a newspaper.
Which two suggestions would reduce the possible risk to people's health?
A: Do not build new houses near to existing power lines.
B: Move the power lines so that they take the shortest routes.
C: Move each power station to the centre of the nearest city.
D: Build new power lines away from where people live.
E: Use more transformers in the National Grid.
(2 marks)
(8 Marks Total)
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