Answer / aladdin

hi,
earthing one of the most important protection in your system it protect human of the static voltage that occur in ur system that might kill in some cases and it protect the signal of the electronic devises from noise and damage.

Answer / s.sakthivel

Basically three type of fault develop in the circuits
1, open circuits
2, short circuits
3,loose conection
4,body short

first three electrical fault are directly not distrub humen
and apparatus and last one (body shor) fault is directly
distrub humen and apparatus
so , body short fault time current is to discharge to
ground by the root of earth electrod, so we are addapted
every apparatus earthing system(vanthni@yahoo.com)

why transformers not work at d.c.-

3 Answers  

---

In order that work may be done:(a) Two wires are necessary(b) The circuit must have a switch(c) Coal must be burnt(d) A supply of energy is required

1 Answers  

---

what is the concept of directional power?

0 Answers  

---

what is maintenance?how to explain

0 Answers  

---

what is the difference between online & offline caliberation of KWH meters. Can Digital meters be caliberated

0 Answers  

---

Witch do depand of Power factor and theory of power factor?

0 Answers  

---

what is the basic difference between capacitor and condenser ?

17 Answers   ABB, Essar,

---

What is the meaning of C1, C61, C91 cable

0 Answers  

---

What is mean by PID controller? And what is its Long form?

9 Answers   Jindal,

---

How much area a lightning arrestor can cover?

5 Answers  

---

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

0 Answers  

---

A distribution transformer giving afrequency of 200HZ, where it is rated for 50HZ. when it will occure?

2 Answers  

---