Answer / guest

To find the cable size:
1.Decide the load ratings ie., voltage, FL current of the
load.
2.So that P = V*I*PF
3.Now apply ohms law, V=IR.
4.Now we have the resistance, as per the resistance we can
choose the cable. R= (permeability*Length)/Area of C.S

What will happen to transformer if we gave 5HZ input instead of 50/60Hz??? explain with reason

2 Answers  

---

wat s the difference between diode and capacitor

20 Answers   TCS,

---

What is the life of MCCB

1 Answers   Siemens,

---

why use -48 volt DC power in telecom?

3 Answers  

---

what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 Answers  

---

---

Why do power lines not short out when they fall into water?

0 Answers  

---

If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

0 Answers  

---

What is FTA card? How it works?

0 Answers  

---

what is a FACTS devices? what is mean by STATCOM????

1 Answers   IIT,

---

How do we find the rating of a transformer, if it got burnt badly.

0 Answers  

---

why burdens of VTs is more than CTs?

0 Answers  

---

Can somebody tell me the type and amp of transformer used to implement 600VA UPS? Thanks in advance.

1 Answers  

---