Question 1 · 1 mark · Foundation · Practical · Diagnostic
Interactive practical
Output of a transformer
Wind different numbers of turns on the secondary of an iron-cored transformer, measure the output with an a.c. voltmeter, and compare the voltage ratio with the turns ratio.
Open interactive simulationPractice: Investigating transformer output
WJEC 3420QS — this practical matches your selected course; the questions check the method, data handling and practical skills.
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Question 2 · 3 marks · Standard · Practical · Practical method