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O-LevelPhysicsMagnetism5054/11 · Oct/Nov 2025 · Q351 Mark

A student uses a simple iron-cored transformer. The primary coil has 250 turns. The secondary coil has 200 turns. The input voltage to the primary coil is 12 V. What is the output voltage?

A0.069 V
B0.11 V
C9.6 V
D15 V

✓ Correct answer

C: 9.6 V

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About this question

Topic
Magnetism, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2025 Paper 1 Variant 1, question 35.

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