Question

What is a transformer typically used for?

measuring electric current
increasing or decreasing voltage
transforming electrical energy into mechanical energy
generating electric current
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A transformer typically used for increasing or decreasing voltage. It is an electrical device that is designed to transfer electrical energy from one circuit to another by inducing a change in voltage across its coils. Transformers are commonly used in power stations and in various electrical appliances to step up or step down voltage levels as needed.