Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

---

In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

---

if the length, number of turns and area of coil are doubled then inductance of the coil becomes.?

1 Answers  

---

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

1 Answers  

---

what is real , reactive and apparani power

1 Answers  

---

1.Why sinle phase motor is not self starting 2.working principle of alternator 4.list out electrical formula

2 Answers  

---

why neutral used in three phase motor connection?

3 Answers   BEL,

---

what is tan delta measurement?..... why that terminal is earthed.....?

4 Answers   Power Grid,

---

What loads the lagging and leading effects comes in a circuit?

5 Answers  

---

What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

0 Answers  

---

please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com

0 Answers  

---

In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers  

---