what happens if commutator is removed in an dc machine?

3 Answers  

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What is called limb of a transformer?

0 Answers  

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why the active power flow of some line is increased when the active power of out is cut ?

0 Answers   TAFE,

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A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

2 Answers   DRDO,

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which type of motor we are using in local train???

4 Answers   Asia MotorWorks AMW,

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why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

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WHAT IS THE SETTING OF OVERLOAD RELAY AND UNDER VOLTAGE RELAY IN PERCENTAGE?

2 Answers  

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what is fundamental difference between voltage and current

5 Answers  

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Between rotating armature type and rotating field type arrangements which one is adopted for large rated alternators and DC generators.Why there is difference in the choice?

1 Answers  

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how to test reverse power trip?

0 Answers  

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name the famous power plants in ap and vwhere it is located with capacity details

1 Answers   BARC,

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Stepwise process of Northern grid failure in 2012!? (dont copy paste from wikipedia)

1 Answers   Rashtriya Ispat Nigam Limited RINL,

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