Answer / Dilip Singh

Cosine waves are commonly used in AC supplies instead of sine waves because they simplify calculations, especially when dealing with harmonics and power factor analysis. Cosine waves also have a lower crest factor compared to sine waves, making them more suitable for certain applications.

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Hai, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to yuva_polisetti@yahoo.co.in

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