one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

2 Answers   NTPC,

---

Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

---

How to calculate energy stored in an inductance?

0 Answers  

---

what is the function of buchhos rely in transformer

5 Answers  

---

Readings of ER300P Trivector meter

0 Answers  

---

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

0 Answers  

---

please tell me formula of 3 phase induction motor under condition{1]when we 3 phase motor starts without load in star or delta connection?thanks

1 Answers  

---

What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

---

In step down transformer (415/200V),mistakenly secondary side is connected to 415V for some hours, what would be result of this condition?

19 Answers   Essar, GAIL, Vizag Steel,

---

what is the meaning of x,m,k in the relays?

0 Answers   ITC Infotech,

---

salam&hi, i need to know about how can i calculate an enough current for the new building before i submit it to the suppliers

0 Answers  

---

why we are using the ac supply in domestic purpose, why don't use dc supply.

5 Answers  

---