Why material of brush is carbon in motors why not other material.

5 Answers   NTPC,

---

can i use 10 mfd + 6 mfd instead of 15 mfd capacitor in single phase motor as running capacitor

3 Answers  

---

why insulators colour is BROWN?

1 Answers  

---

what is subtransient , transient and study state ac components

2 Answers  

---

what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

---

IF alternator SCR value will be high means what happen in alternator efficency at operating power factor of 0.8

0 Answers  

---

why PD testing for power cables

1 Answers   Bhushan Power Steel, CSE, Datre Corporation,

---

what is the meaning of WYE and DELTA in Electric meter?

0 Answers  

---

difference between analog pressure gauge & digital pressure gauge?

1 Answers  

---

during installation time of transformer and alternator which points we have to observed?

0 Answers  

---

ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

---

WTA used cb?

0 Answers   Tagros,

---