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Understanding the structure of transformers

Magnetism and electromagnetism • Induced potential and transformers

Key concepts

What you'll likely be quizzed about

  • Transformers consist of two main coils of wire, known as the primary and secondary windings, wrapped around a core made of a magnetic material.
  • This core helps in efficiently transferring magnetic energy between the coils.
  • The primary winding connects to an alternating current (AC) source, creating a magnetic field that induces voltage in the secondary winding through electromagnetic induction.

Flashcards

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How does a transformer operate?

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A transformer operates by inducing voltage in the secondary winding through a changing magnetic field generated by alternating current in the primary winding.

Key notes

Important points to keep in mind

Transformers change AC voltage levels.

The turns ratio determines voltage output.

High-efficiency transformers minimize energy loss.

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