Answer / zore mahesh baburao

No

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

0 Answers  

---

what is meant by slip & where its occur ?

5 Answers   Lanco,

---

What are the different sign conventions used in electric circuits?

0 Answers  

---

why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

---

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

0 Answers  

---

---

neutral,ground & earth different b/w

2 Answers  

---

what you mean by frequency of an igbt& how to find it?

1 Answers  

---

is it possible to convert electrical energy to light energy for transmission purposes?

7 Answers  

---

It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

0 Answers  

---

What is the different types of cable & current capacity of cable

0 Answers  

---

In a single phase converter, the no. of SCR conducting during overlap? a.1 b.2 c. 3 d. 4

3 Answers  

---

what are iron and copper losses

4 Answers  

---