. A superconductor is a a.) A material showing perfect conductivity and Meissner effect below a critical temperature b.) A conductor having zero resistance c.) A perfect conductor with highest di-magnetic susceptibility d.) A perfect conductor which becomes resistance when the current density through it exceeds a critical value

1 Answers   BSNL,

---

what is scada what is plc what is hmi what is drieves whatis timmer what is counter what is automation

2 Answers  

---

What is the difference between amplifier and oscillator

10 Answers   TCS,

---

What is resistive diode?

1 Answers   Infosys,

---

why we use asynchronous communication in microcontroller.but synchronous is high speed communication than asynchronous.

0 Answers   Finolex,

---

---

What is the cascading used in IC ? Option are: 1.Direct 2.Inductive 3.Capacitive. 4.None

2 Answers   RRB,

---

What is the turn-off time for converter grade scrs and inverter grade scrs?

0 Answers  

---

hai iam venkat iam appering RRB exam chennai on 23 nov 2008. pls help me wat kind of questions i to prepare? mail {venkiremo_krv@yahoo.co.in]

0 Answers  

---

What is the main drawback of a single phase half bridge inverter?

0 Answers  

---

a man saves 40% of income if his income is increased by 20% expenses is increased by 10% then % increased in savings

4 Answers   TCS,

---

what is the main part of UPS?

1 Answers  

---

types of communication scheme in power plant ?

0 Answers   DVC,

---