if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

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what is the significance of 3.5 core cable? or what does this half core mean and why is it required?

5 Answers  

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give me name of current and volatge control device

1 Answers  

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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how many amps in 1 KVA? V=440v, PF=0.8 and FREQ=50Hz

22 Answers  

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800a siemens vcb in our company can not be closed electrcally an mechanicaly cc and oc coils are found ok. why?

2 Answers  

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What are the advantages of skewing of cage rotor conductors?

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what is priming pump?why it is used ?

2 Answers  

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if dc motor can operate by ac supply ? if its possible means how ?

2 Answers  

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Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

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why ac supply neutral should earth not in dc (-)

2 Answers  

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what is relation between torque and speed / rpm?

1 Answers  

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