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Consider a 200V, 25kW, 30A DC machine lap connected with armature resistance of 0.4 ohms. If the machine is later wave wound, then the developed power is?

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Consider a 200V, 25kW, 30A DC machine lap connected with armature resistance of 0.4 ohms. If the machine is later wave wound, then the developed power is?

(a) 25 kW

(b) 12.5 kW

(c) 20 kW

(d) 50 kW

I had been asked this question in homework.

Enquiry is from Circuit Model of DC Machines topic in portion DC Machines of Electrical Machines

1 Answer

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Best answer
Correct choice is (a) 25 kW

Best explanation: The power of the machine remains unaltered by the type of connections.

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