Answer / hari krishna

transformers are exclusively for change of voltage only, if
the transformer output frequency is 200HZ it means that
transformer input frequency is also 200HZ.

Answer / sanjoy_dee0038

when the lamination of core is reduced. Normally it is
0.35mm to 0.50mm. Becauselamination is inversly related to
frequency

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what is the ohmic value of transformers

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How can be decreased the size of transformer?

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