Answer / rashid abdul rab

This sound is coming due to ionization (breakdown of air
into charged particles) of air around transmission
conductor. This effect is called as Crona effect, and it is
considered as power loss.

Answer / rajkumar

IN HT LINE AROUND OF CABLE IONISED CALLED AS CORONA
EFFECT THEREFORE------

Answer / s t vaidya

yes this is ionised carona effect making sound

what are the different types and applications of compressors?

1 Answers  

---

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

0 Answers  

---

if our load in 3 phase circuit is 4000 amp. calculate the capacity of capacitor panel if line power factor is.80 .

1 Answers   ST Micro,

---

why the transformer is not operates on two phase?

1 Answers   APGenco, Atkins, FFBL,

---

What is Wlak Test in Fire Alarm System????

2 Answers   Emerson,

---

---

Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

0 Answers  

---

Difference between drift current and diffusion current?

0 Answers  

---

When can we take Neutral as common neutral link?

0 Answers  

---

what kind of battery is used in laptops

4 Answers   Pepsi,

---

What is the main difference between power transformer and Distribution transformer?

9 Answers   APTransco, Bhel, NTPC,

---

distribution is maximum done by a)radial b)network c) parallel d)b & c

0 Answers  

---

HOW TO DRAW THE VECTOR DIAGRAMS OF A Dyn 11,YdN 1 transformers?

0 Answers  

---