what is difference between 3.5 core and 4 core cable

5 Answers   Havells,

---

in catridge heeter  watts =110, 260 v ,  i checked in multimeeter meeter shows 50 ohms but oms law r=v square /w  260*260=67600, and 67600/110=614.5 ohms  how to caluclate exact ohms in heetre s 

2 Answers  

---

what happens when we give supply to the secondary of a transformer ?? for example 415v(pri)/110v(sec)

2 Answers  

---

what is PWM in IGBT and how it works for drive.?

0 Answers   BRG,

---

How many sprinklers should be in one pipe line?

0 Answers  

---

---

what are the steps involved in generator load test?

0 Answers  

---

we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

2 Answers  

---

why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

---

how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

---

what is diffrenance between ACB and Isolator

3 Answers  

---

which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

2 Answers   Bhel,

---

why in a transformer frequency remains constant? if frequency is changing what will happen?

5 Answers  

---