transformer

1. An electrical device by which alternating current of one voltage is changed to another voltage (synset 104478550)
   is a type of: electrical device - a device that produces or is powered by electricity
   subtypes:

   • coil - a transformer that supplies high voltage to spark plugs in a gasoline engine
   • step-down transformer - a transformer that reduces voltage
   • step-up transformer - a transformer that increases voltage
   • tesla coil - a step-up transformer with an air core; used to produce high voltages at high frequencies
   • voltage regulator - a transformer whose voltage ratio of transformation can be adjusted
   has:

   • induction coil - a coil for producing a high voltage from a low-voltage source
   • primary, primary coil, primary winding - coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
   • secondary, secondary coil, secondary winding - coil such that current is induced in it by passing a current through the primary coil

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