why do we use 4to20mA not a 0to20mA?

2 Answers  

---

Y did u select he engineering?

4 Answers   TCS,

---

Noise with uniform power spectral density of n0w/hz is passed through a filter h (w) = 2 exp(-jwtd) followed by an ideal low pass filter of bandwidth bhz. What is the output noise power in watts?

0 Answers  

---

WHAT IS DIFFERENCE BETWEEN SIEMENS MAKE PLC REDADUNT SYSTEM,HOT REDADUNT AND F REDADUNT SYSTEM?

0 Answers   Siemens,

---

What are the characteristics of an Ideal voltage source?

2 Answers   Bhel, Microsoft,

---

what is the base of telephone?

1 Answers  

---

Explain conductivity, resistivity and resistance?

0 Answers  

---

what were the challenges you faced during the project technically and how did you cope up with that?

0 Answers  

---

plz send me any one gate papers

0 Answers  

---

What is Cell Splitting?

0 Answers  

---

What is electronic?

2 Answers   TCS,

---

How micro processor works without internal memory?

0 Answers  

---