Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH5 Magnetism and Electromagnetism2 Marks
Question
Define step up and step down transformer.
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Answer
Step-up transformer: The transformer used to change a low alternating voltage to a high alternating voltage is called a step-up transformer, (ie) (Vs > Vp).
Step down transformer: The transformer used to change a high alternating voltage to a low alternating voltage is called a step-down transformer (Vs < Vp).
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