why phase & neutral is use in tv? why earthing not use ?

2 Answers  

---

i am trying to PSUs/govermeant jobs since last 2 years but still i m not success, plz help me.

0 Answers  

---

Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

---

What is class 2 coordination ?

2 Answers  

---

Define characteristics impedance?

0 Answers  

---

---

For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 Answers  

---

sir i am fresher.can you please tell me how can i get certificate of competency as electrical supervisor.

1 Answers   ONGC,

---

IS there any mechanical connection between the field winding and armature winding of a dc generator?

11 Answers   IOCL,

---

what is meant by VFD ?where its useful ?

7 Answers  

---

why we are using panel space heaters in different control schemes????

3 Answers   Mecon,

---

The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

1 Answers  

---

Why the pointer of earthing of 3 pin top is made thick and long compared to the phase and neutral pin ?

3 Answers   Sanima Hydro Power,

---