Transformer
Definition
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Analogy
Think of a transformer as a "power converter" in your phone charger. Just like how it converts the high voltage from the wall outlet to a lower voltage suitable for your phone, a transformer converts electrical energy from one circuit to another.
Related terms
Inductance: The property of an electrical circuit that opposes changes in current flow.
Step-up Transformer: A type of transformer that increases the voltage output compared to the input.
Step-down Transformer: A type of transformer that decreases the voltage output compared to the input.
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