Definition

Noun: 1. A coil in which an electrical current is induced by a changing current in a separate, magnetically linked primary coil: This is the specific component within a transformer or induction device. It is the output coil where voltage is stepped up or down relative to the input (primary winding).

Usage

• The term is used specifically in the context of electrical engineering, physics, and electronics to describe the output side of a transformer or an induction coil.
• It is often contrasted directly with the .

Examples

• Noun:
  • The voltage across the secondary winding was measured to be 12 volts.
  • To increase the voltage, the secondary winding must have more turns than the primary winding.
  • A fault in the secondary winding caused the transformer to fail.

Advanced Usage

• "Open-circuit secondary winding": A secondary winding that is not connected to a load, resulting in no current flow in the secondary circuit.
  • Testing with an open-circuit secondary winding allows you to measure the transformer's core losses.
• "Short-circuited secondary winding": A secondary winding whose terminals are connected with very low resistance, causing very high current to flow.
  • A short-circuited secondary winding can cause excessive heating and damage the transformer.

Variants and Related Words

• Secondary coil: A direct synonym.
• Secondary: Often used as a shorthand in technical contexts (e.g., "the secondary voltage").
• Primary winding (n): The input coil that carries the current which creates the magnetic field to induce a current in the secondary winding.
• Transformer (n): A device containing both a primary and a secondary winding used to change AC voltage levels.

Synonyms

• Secondary coil
• Output winding (in the context of a power supply transformer)

Related Phrases

• Coupled to the primary winding: Describes the magnetic linkage between the two coils.
  • The efficiency depends on how well the secondary winding is coupled to the primary winding.
• Turns ratio: The ratio of the number of turns in the secondary winding to the number in the primary winding, which determines the voltage transformation.
  • The turns ratio between the secondary winding and the primary winding is 10:1.

Noun

1. coil such that current is induced in it by passing a current through the primary coil