Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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State the advantages of ac over dc. - Science

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Short Note

State the advantages of ac over dc.

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Solution

Advantages of AC over DC:

  • The Voltage of AC can be varied easily using a device called transformer. The AC can be carried over long distances using step up transformers. The loss of energy while distributing current in the form of AC is negligible.
  • Direct current cannot be transmitted as such. The AC can be easily converted into DC. Generating AC is easier than DC. The AC can produce electromagnetic induction which is useful in several ways.
Concept: Distinction Between an A.C. Generator and D.C. Motor
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 9th Science Answers Guide
Chapter 5 Magnetism and Electromagnetism
Exercise | Q V. 5. | Page 64
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