Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is Options: A . &nbspapproximately equal to one B . &nbspless than one C . &nbspgreat than one D . &nbspnone of the above

Auto-transformer makes effective saving on copper and copper losses, when its tr

Question

Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is

Options:

A . approximately equal to one

B . less than one

C . great than one

D . none of the above

Answer: Option A

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