Answer / jaadeesh

converted to ac
main function of commutator is to convert ac to dc or dc to ac

Answer / bharathi

the function of commutator is to receive ac.current from
armature conductor and then converting it into a dc current
just like a rectifier.

which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

---

WTA used cb?

0 Answers   Tagros,

---

I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????

2 Answers  

---

why the no.of slots in stator in not equal to the no. of stator in rotor in induction motor????

4 Answers   Jindal,

---

What will be MF for below rating ? Main CT PT value is 11kva/110 and 20/5 amp Meter display is 1kva/110v and -/5 amp What will be MF ? Multiplycity factor of energy meter

0 Answers  

---

---

How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?

2 Answers   HCL, Torrent Pharma,

---

What is PTZ Camera???

3 Answers   Cherrytec, CSC, Honeywell, Zicom,

---

IN a transformer during power supply how the LV and HV bushing works??

3 Answers   CSEB,

---

2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

---

how to failure indution motor insulation & how to improve heat in motor insulation

0 Answers   BHL, EPIL, IFFCO, Micromax,

---

If AVR fails in DG set what will be the affect?

17 Answers   GoodYear, Hotline Glass, HSL,

---

Why use in ht motore

0 Answers   ACB Group,

---