why the exchang voltge is in minus polarty i.e -48 instead of +48

0 Answers  

---

wat will happen to the windings if the required current is not given to a stepper or dc motor , but voltage is constantly applied to it below required current??

0 Answers   Freescale Semiconductor,

---

What are all the connectors used in the GSM Architecture like Abis is used between BTS and BSC, I need it in detail.

1 Answers   RRB,

---

What is the height of BTS?

1 Answers   NSN,

---

what is frame structher in SDH .

0 Answers  

---

temperature transmitter range o to 100c over range set value 21.6ma if you give source on the field transmitter showing iop out put also 21.6ma but dcs not showing iop samething if you simulat from hart 21.6ma in dcs showing iop how its possible?

0 Answers  

---

Name the frequency bands are used in satellite communication?

0 Answers  

---

Does area of work only involve closed spaces?

0 Answers  

---

what is difference between microprocessor and microcontroller ?

9 Answers  

---

hi i am sushil can anyone send me the previous year question paper for AAI(JR.excecutive,electronics)to my email kingston_s007@yahoo.com

0 Answers   AAI Airports Authority Of India,

---

What are the main divisions of power system?

0 Answers  

---

Give examples for Micro controller?

3 Answers   Siemens,

---