Answer / ww

EMF: Electromotive Force

Answer / jagadish

ELECTROMOTIVE FORCE IS CALLED AS "emf".

ACCORDING TO FARAD-1ST LAW STATES THAT WHENEVER a current
carrying conductor placed in a time varying magnetic field .
then the "EMF" will be induced in it.

what is on line transformer and off line transformer.

3 Answers   Cisco, HP, ICC,

---

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

0 Answers   ABB, Visa,

---

i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

0 Answers   MTDC,

---

why electric shock due to dc is dangerous than that of ac

8 Answers  

---

Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

---

I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

---

why in crona effect it give violet colour.

1 Answers  

---

Define newton's law of viscosity.

0 Answers   Godrej,

---

How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

3 Answers  

---

How to Convert horsepower to kva? what is the three phase formula? explain me if u can Example..i have 50Hp Moter how can i convert in kva tell me formula three phases Rehan Smileavail@msn.com

4 Answers   Bajaj,

---

how to maintain frenquncy with syncronising sub-station for distribution

0 Answers   Suzlon,

---

what type of protection and safety req. in the 220kv substaion and area around the substation

2 Answers  

---