what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

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A system having the charactristic eqation (s+1)(s+2)(s-3)=0 is (a)stable (b)unstable (c)marginally stable (d)critically stale

1 Answers  

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star delta starter control wiring diagram?

1 Answers  

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last 5 year rrb allahabad junior engg electrial engg question paper

0 Answers   RRB,

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Which motor has high starting torque

2 Answers   Greenko,

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if we have to design a small transformer of rating 1 kva or 1 mva , how can we design it?

1 Answers  

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what is the contact resistance of vacume circuit breaker??

1 Answers  

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WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

0 Answers   Jk Tyres,

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Which types of gate insttaled in static switch. Please give me answer.

0 Answers   cpgn,

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if vcb make contact but output notreach give the reason?

2 Answers   VVF India,

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What shall be the secondary output voltage if the primary winding of a 220/6V, 50 Hz transformer is energized by an 110V, 60 Hz supply?

0 Answers   HPCL,

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I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

2 Answers  

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