if there is nutral in phase why we use earthing wire and grounding? even at fault condition the fault current flows to neutral (it is a lower path)

1 Answers  

---

how to claculate the ups load in KVA pls give the if any fourmoul?

4 Answers  

---

When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?

3 Answers   TNEB Tamil Nadu Electricity Board,

---

For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

---

what are adantages of OC and SC test over the load test?

5 Answers  

---

why secondary terminal of current transformer should not be open circuited?

4 Answers   ABB,

---

What is electrical diversity factor in electrical installations?

0 Answers  

---

what is skin effect? why is it absentin dc system

22 Answers  

---

What is meant by class of CT&PT?

1 Answers  

---

what is the use of vcb & isolator in substation?

0 Answers  

---

in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire

1 Answers  

---

State ohm’s law?

0 Answers  

---