Answer / ashutosh jha

An electric generator or electric motor consists of a rotor spinning in a magnetic field. The magnetic field may be produced by permanent magnets or by field coils. In the case of a machine with field coils, a current must flow in the coils to generate the field, otherwise no power is transferred to or from the rotor.

in science exhibition how lamp can blink when you clap near the lamp ? thank you

0 Answers  

---

if we convert watt into kva,which one formula use by us,pls tell me?

16 Answers   ABB,

---

what is the maximum demand how it is defined

1 Answers  

---

what is interfacing in computer studies?

0 Answers  

---

The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

---

How many Cylinders are there in Diesel Generator?

4 Answers  

---

What is various types of electrical formula?

1 Answers  

---

What will happen if 2 phase supply is given to 3 phase motor?

4 Answers   ABC,

---

What is the cause for a blown fuse in one phase of primery side(HV) of a three phase transformer( 4169v-460v) in the time of closing its supply breaker. There is no load on the secondery side of the transformer in this moment.

3 Answers   Novachem,

---

what is function and advantage of double delta winding in induction generator?

1 Answers  

---

why ac supply neutral should earth not in dc (-)

2 Answers  

---

What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

0 Answers   Limton,

---