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An electro-mechanical energy conversion device is one which converts _______(a) Electrical energy to mechanical energy only(b) Mechanical energy to electrical energy only(c) Electrical to mechanical and mechanical to electrical(d) None of the mentionedThe question was asked at a job interview.This question is from Principle of Energy Conversion in chapter Magnetic Circuits of Electrical Machines

Answer» CORRECT choice is (c) Electrical to mechanical and mechanical to electrical

The best explanation: The operating principles of electrical to mechanical and mechanical to electrical conversion devices are SIMILAR, hence, the common name electro-mechanical device. However, their structural DETAILS DIFFER depending on their function.


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