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Magnetic Effects of Electric Current — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMagnetic Effects of Electric Current1 Mark
Question
Why is an alternating current considered to be advantageous over direct current for long range transmission of electric energy.
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Answer

Ac is used for transmission because it is easy to step up or step down the voltage by using transformer. For sending electricity to long distance step up transformers are used to increase its voltage.

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