A step-down transformer is an electrical device whose primary voltage is greater than its secondary voltage. Transformers transfer energy between circuits using electromagnetic induction. Using varying magnetic fields, t... More » Technology Audio Equipment

Never use a surge protector when wiring a step-down transformer converting 220-volt electric current to 110-volt electric current. Alternately, use a step-down transformer that has electrically isolated windings kept ent... More » Home & Garden Home Maintenance Electrical

A transformer changes the voltage of an electric current while transferring it from one circuit to another through electromagnetic induction. Fluctuating magnetic fields in the transformer generate an electric current in... More » Science Physics Electricity
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