Transformer, illustration

Bildnummer 13377551
Transformer, illustration
Transformer, illustration. A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. Two wire coils are wound on a soft iron core. The primary coil is connected to a source of alternating current, which induces an alternating current in the secondary coil. The secondary coil voltage (8 volts) and the primary coil voltage (2 volts) are in the same ratio as the number of turns of the secondary coil (800 turns) and primary coil (200 turns). This is a step-up transformer, where the secondary coil has more turns (and more voltage) than the primary coil.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library
Bildgröße: 4181 px × 4181 px
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