Answer / nishant2110

Noise in transformr is caused by MAGNETOSTRICTION.

magnetostriction is process of slight changing physical size
of magnetic material when kept in varying magnetic field.

Since gap due to bad insulation and bad stacking factor give
sufficient place for core to vibrate in between due to
change in its size

how to i get B licence,i am completed BE electircal and electronics engineering.i want to konw the proceduure to get b licence

0 Answers  

---

Can a 5 core cable one end with a 32A 3p+N+E plug and the other end 32A 3p+E be used on a generator?

1 Answers  

---

High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

0 Answers   NTPC,

---

what is the significance of tan&delta and how it performed in power transformer

0 Answers  

---

in india why we not use frequency above 50 hz for distrubuting power ?

1 Answers  

---

What is primary distribution and secondary distribution of ac power?

3 Answers  

---

WHY FLEXI LINKS ARE USED INBETWEEN GENERATOR TERMINAL OUTPUT & BUS DUCT CONDUCTOR.

3 Answers  

---

1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 Answers  

---

what is looping circuit in electrical lighting circuits?

5 Answers   L&T,

---

what types of electrical & mechanical test conducted in switchyard?

0 Answers  

---

Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

---

tell me some type of questions throught which i can prepare for exam and do my best

0 Answers   Jindal,

---