Answer / iamdon

When the linear dimension of a machine is varied by x times,

its output is varied by x*x*x*x times
its loss(Fe and Cu each) is varied by x*x*x times and
its temperature is varied by x times.
provided rest parameters are not varying.

Author:arbelectbit@yahoo.com

what is black out?,what is brown out?

1 Answers  

---

There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

0 Answers  

---

what is difference Auto-transformer and ICT ?

1 Answers   CG, Descon,

---

What is power transformer?

3 Answers   Welspun,

---

What is the working principle of CFL & T5 tube light & 40W tube light with electronic ballast?

0 Answers   Remi,

---

how point on wave controller works.

0 Answers  

---

what is derated current of power cable & what is formule to find derated current?

1 Answers   Thermon,

---

how do we connect mcb in our home?and how does it work?

3 Answers   IOCL,

---

i need to calculate high voltage line power factor daily basics but there is meter reading kwh and kvah while calculating power factor kwh/kvah formula was right. for examble there is point c=13kwh c=1.8 lag c=1.2 lead and c=14.5kvah like that i know that p.f =kwh/kvah but c=1.8lag kvarh and c=1.2lead kvarh points i dont know if u know please reply

1 Answers  

---

why shunt capacitor is connected

1 Answers  

---

How to find the voltage drop for short,medium,long transmission lines of a 33kv sub-station?

1 Answers  

---

if 2 coil of 1000W connect in series and 200 v is applied across it . then what is the total power of coil when coil have only resistive load .

1 Answers   BSNL,

---