Question: A practical transformer operating at no - load draws an exciting current Io of 9 . 8 A when the primary is connected to a

A practical transformer operating at no-load draws an exciting current Io of 9.8A
when the primary is connected to a 120 V,60 Hz source. From a wattmeter test it is
known that the iron losses are equal to 220 W. Calculate the following
(5) The value of Rm ____________________

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