Answer / bawla

Extra heat is generated due to induction which is impossible in DC current.There is no cop.loss in DC circuits.

Answer / manu

generally heat in dc machine is more than that of ac.

why battery room in substation is black coloured?

4 Answers  

---

what is general test conduted by transformer

8 Answers   Wipro,

---

what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

---

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

0 Answers   CMERI,

---

A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?

2 Answers   TCS,

---

How is a 100 MVA transformer cooled?

9 Answers  

---

how does ELR works? explain

0 Answers  

---

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

0 Answers   Machino,

---

how to calculate the cable size for 500 kva transformer?

3 Answers  

---

What is a pulse transformer?? Can it be called as a dc transformer??

1 Answers  

---

I know current,volt,powerfactor of an electrical line. In this line how I will calculate Active power and Reactive power

2 Answers  

---

we need a ntpc previous papers

0 Answers  

---