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An electrical device has 50 turns in its primary coil and 20 turns in the secondary ...

An electrical device has 50 turns in its primary coil and 20 turns in the secondary coil. The device can be a\an?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Step-up transformer
  • B Step-down transformer
  • C D.c generator
  • D A.c generator
Correct Answer: Option B
Explanation:
In a step down transformer, there are more turns in the primary coil than in the secondary coil and more current flows in the secondary circuit than in the primary.

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