out of all machines which have highest efficiency and why?

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out of all machines which have highest efficiency and why?..

Answer / sayanta ganguly

Out of all machines Power Transformer have highest
efficiency. Power Transformer is a Static Machine and its
efficiency is nearly 100% that means full efficiency. power
transformer generally operated at full load. Hence,
it is designed such that copper losses are minimal and
efficiency at maximum.

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out of all machines which have highest efficiency and why?..

Answer / vimal baldaniya

ofcourse transformer but dry type transformer because it
has less losses compared to other type transformer.

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