condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

---

What do you mean by reverse current braking of an induction motor?

1 Answers  

---

How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

0 Answers  

---

What is the difference between line drop and percentage line drop?

0 Answers   Suzlon,

---

What happens if fuse is connected to neutral wire

9 Answers   HAL,

---

What happens if we give ac supply to dc shunt and series motors individually

4 Answers   Essar,

---

How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

---

how much loading in terms of ampere can put on 5 MVA,33/11 KV TRANSFORMER having rated current 263 Amp ?????????

11 Answers   ABB,

---

I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

---

How to define Kirchhoff current law and voltage law along with simply examples.

0 Answers  

---

Why insulation layer of a High Voltage cable is more than a current carrying cable?

3 Answers  

---

hot water tank,top element 240v across,the bottom 120v across,why?

1 Answers  

---