Answer / rajkumar

Exitation is an external voltage applying to motor by dc
shunt motor.

Answer / khader shah

Exitation is applying an external voltage to DC shunt coil
in DC motors

What is the diffrence between PL Lamps and CFL Lamps

5 Answers  

---

What is the difference between online ups and offline ups?

44 Answers   Electrical Tech, GMR, Gravity India, HCL, Indus Towers, NIT, Pyramid, Techno Electric and Engineering, UBS,

---

why dc supply is given for excitation of ac alternator?how dc can produce flux?

5 Answers  

---

what is the use of pmg in exciter?

3 Answers  

---

why abcd parameters are called as transmission parameter?

1 Answers   Accenture,

---

---

why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

---

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

---

What is drain current of static relay?

1 Answers  

---

State kirchoff current law?

0 Answers  

---

1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

---

WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

0 Answers  

---

what is the essential resistance of r y b phase short citcuit ? Eg in star connection we doing this kind of short circuit oly

0 Answers  

---