In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 Answers  

---

How we can calculate what type of supply we need for an example sometimes we take 11 KV and sometime 33KV from EB ?

4 Answers  

---

what is the difference between arc and spark

2 Answers   ABB, Jindal,

---

What is cathode ray oscilloscope (cro)?

0 Answers  

---

difference b/w eath and neutral

10 Answers   ABB,

---

how to calculate load if i have three phase & single phase connection from power transformer( in term of kw & kva).can i take single phase load/3 for total kw calculation

1 Answers  

---

What are the loading factors to be considered for transformer sizing/selection?

3 Answers  

---

2.5mva transformer is installed in our company with oltc but it is not working in auto mode ,it is operative in manual mode control wiring is done how can i rectify it?

5 Answers   Imdaad,

---

Describe the difference between a microcontroller and a general purpose computer.

2 Answers   Siemens,

---

Why are we not getting shock while touching a metal which is being welded?

1 Answers  

---

why in india the voltage generate multiply by 11,,,like 220v,440v,11kv,33kv,66kv,220kv,

3 Answers   NTPC, Servotech, Tata Power,

---

what type of earthing is done on hilly rocks.

4 Answers  

---