ReasoningModerate2 marks
8(ii)
Below is the diagram of a transformer:
In this type of transformer which of the wire is thicker, the primary or the secondary? Give a reason.
Topic: Transformer wire thickness
Question wording verified against source paper
Answer
Exam answer
The secondary wire is thicker.
Explanation
A step-down transformer supplies a larger secondary current, so a thicker wire reduces heating.
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