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Which type of field winding required in PMMDC?

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Which type of field winding required in PMMDC?

(a) series winding

(b) shunt winding

(c) cumulative winding

(d) none of the mentioned

This question was posed to me in class test.

The above asked question is from Permanent Magnet DC (PMDC) Motors in portion DC Motors of Electrical Machines

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Best answer
Correct choice is (d) none of the mentioned

Easy explanation: There is no field winding used in PMMDC to create the flux.

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