Piezoelectric materials serve as a source of:- A. Microwaves B. Ultrasonic waves C. Musical waves D. Resonant waves

3 Answers  

---

What range of speed can you get with the armature control method of speed control of d.c. Shunt motor?

0 Answers  

---

why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

2 Answers  

---

what is the Transformer Impedence?How can calculate?

0 Answers  

---

What is the main purpose of c.f.b.c.boiler

0 Answers  

---

Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

1 Answers  

---

why we use carbon brush in exciter&genrator?

5 Answers   ABB, SMC,

---

2. Modify your design in question 1.a so that the circuit works according to the following function table X Y F 0 0 Clear 0 1 No Change 1 0 Parallel Loading 1 1 Count 3. Design a circuit that detects the pattern 010 in a serial input X considering: 3.a Overlapping 3.b No overlapping

0 Answers  

---

how we can produce negative DC voltage ? please explain it .,thank u

1 Answers  

---

what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

---

how will i find Transformer rating if supply voltage is 11k.v and how will i find incomer if transformer rating is 12MVA

3 Answers  

---

Where do we adjust the setting of thermal over load relay & how cal calulate.

1 Answers   Hilton,

---