Answer / meenakshi

the difference in potential between two points in a
conductor which is created by the separation of positive
and negative charges is called as potential
difference.whereas emf is work done to produce the
potential difference n acts as a driving force for the
electrons

Answer / romeo

Potential difference and emf are two different words but
same meaning. That is a vector caused the electrons to flow
or travel.

what is counter poise conductors

0 Answers   IBM,

---

Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

---

which connection is there in a rotor of the motor

2 Answers   All Trades Electrical, HAL,

---

WHY IS THE UNITY POWER FACTOR NOT THE MOST CONOMICAL POWER FACTOR?

3 Answers  

---

is harmonic useful or it distort the alternating quantity?

2 Answers  

---

You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

---

to improve the existing power factor whether capacitors have to be added in series or parallel.and why

3 Answers  

---

what happen if position of GNA and MNA is changed in machine?

3 Answers  

---

what are the effects when a salient pole alternator is run at high speed like 3000 r.p.m?

0 Answers  

---

what is KWH

2 Answers  

---

what perpose of use CT ratio in gt,st,uat

1 Answers  

---

we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

---