in dc machines in the armature nature of power is ac but why we take rasistanc

in dc machines in the armature nature of power is ac but
why we take rasistance instead of impedance?

Question Posted / rajeshguduru

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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedan..

Answer / karthik_elec

the induced power is ac but the commutator segment convert
ac in to dc, so we dont want to take impedence, if u go
deep there is negligible impedence,

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