What is static Device & Mechanical device? Is transformer a static device?

5 Answers   ABB, Emco,

---

what will happen to give a dc supply in transformers?

3 Answers  

---

wich types of current?

2 Answers  

---

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

0 Answers  

---

Can anybody tell the formula to calculate temparature rise in the cable with respect to current?

1 Answers  

---

---

why current transformer secondary is short circuited an what will happen if connect very high resistance acrossthe secondary side of current transformer?

1 Answers   NPCIL,

---

CAN 50Hz transformer work at 60 Hz power supply? if yes how it is possible?

2 Answers  

---

1. Design a counter which counts 0, 4, 8, 2, 6, and repeats using: 1.a using JK flip flops 1.b using T flip flops 1.c using D flip flops

0 Answers  

---

how to revers the direction of single phase motor

0 Answers  

---

1 KVAR = 1.3Amps but, 25KVAR capacitor/690V capacitor takes just 21Amps as leading current, what is the reason? Please explain...

1 Answers  

---

what is mean by tan-delta tap in the potential transformer??

2 Answers  

---

Why is transformer connect parallel? why not series? ....plz...

3 Answers   wbsedcl,

---