) why transformer cannot rotate though the principle behind induction motor is similar to a transformer

3 Answers  

---

In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 Answers  

---

what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law

2 Answers   NFCL,

---

why 120 devided with pole and speed multiplication to determine frequency

1 Answers  

---

What is PLL? what are it's advantages?

1 Answers   BREB,

---

What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

3 Answers   Areva,

---

1.why ACB is not connected in HT side what Happens? 2.how much voltage maintained in ACB breaker? 3.OLTC is connected in primary side in case secondary side connected what happened?

3 Answers   L&T,

---

In a incandescent bulb, if the glass is punctured, and then power is supplied, the tungsten filament blows up with a flash.Why?

2 Answers  

---

what kind of quetions will ask in BHEL in interview? Plz help me?

0 Answers   Bhel,

---

what is the potential difference between line and earth?

11 Answers  

---

What is meant by SMPS how it working ... and where it used

2 Answers   MTS,

---

Explain M Var? Which types of problem occurs when reactive power increase at the time of full load of plant and at the time of synchronize of plant?

0 Answers  

---