Multiple choice

A transformer is used for

  1. converting of DC into AC

  2. regulating the fluctuation of voltage

  3. measuring the flow of electricity

  4. converting low voltage into high voltage and vice versa
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D Correct answer
Explanation

A transformer is an electrical device used to step up or step down alternating current (AC) voltage levels through electromagnetic induction. It does not convert DC to AC, nor is it a measuring instrument.

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