PhysicsElectromagnetic inductionWAEC
A step-up transformer has 50 turns on its primary and 1,000 turns on its secondary. Find the output for a 12 V input.
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Answer: A. 240 V
12 × 1,000/50 = 240 V.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.