If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

0 Answers  

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about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ?

2 Answers   NTPC,

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How we can come to know the substation range,without go through any name plate ?

0 Answers   CG,

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if the supply frequency increases what happens to the motor load

2 Answers  

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WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

2 Answers  

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what is diffrential relay used in generator plz give brief explanation

4 Answers  

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When a 25kV line touches the train, will passenger get shock?

3 Answers  

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Any Electrical Engineering jobs?Please refer for interviews. Thank you

0 Answers  

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How to Convert horsepower to kva? what is the three phase formula? explain me if u can Example..i have 50Hp Moter how can i convert in kva tell me formula three phases Rehan Smileavail@msn.com

4 Answers   Bajaj,

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What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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how to control the generator output voltage? what r the condition should satisfy for synchronization?

7 Answers   HP,

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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