What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

---

1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

1 Answers   TVS,

---

Why the transmision line are 11,33,63,132kv?

10 Answers   Power Grid,

---

why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

---

which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

---

---

how to select the cable size? any formula to calculate cable size?

4 Answers  

---

why using in cable mm square which is mm & which is square why using mm & square.

1 Answers   Airtel,

---

what will happen when a electric bulb is connected between two phases.it will glow or not

18 Answers  

---

11kv = LT 440v , how many amp.supose 440v side 5000 amp curent drown

2 Answers   Motwane,

---

WHY WE DO NOT TAKE THE POWER FACTOR MORE NEARER TO UNITY IN AC GENERATOR?

1 Answers  

---

why and how current drawn by battery charger depends upon the altitude where it is located?

0 Answers  

---

which frequency is to be selected for measuring earth resistivity

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---