Answer / pawan

0.7v

Answer / syncopator

The cut-in voltage of an l.e.d. depends upon the diode's
light colour.

For a red l.e.d. it is typically around 1.1V. For other
l.e.ds it is higher.

Answer / anoop a.s

Led cut-in voltage depends upon the material composition
used in led . ie, for different colours different materials
and different cut-in voltages

Answer / jaxx

min>=0.7 to break junction barrier

What is the difference between CAT 5e communication cable & CAT4 Communication cable

0 Answers  

---

What is the advantage of dsp

8 Answers  

---

What is single input output interface? How it is different from single ended interface?

0 Answers  

---

How receiver detect that which is information signal and which is carrier signal and how it seprate both at destination?

4 Answers   Airtel,

---

Tell me, when a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

0 Answers  

---

Why is a portion of the lower sideband of the AM picture signal transmitted along with the carrier and full USB ? Does it need any correction somewhere in the television link ? If so where is it carried out ?

1 Answers  

---

one boy is blind,deaf&dumb and also uneducated. one girl loves him. she has to propose without touching him. how is this solved?

21 Answers   Micro Labs, Microsoft,

---

What is woking principale of Profibus nd how it transfer data?

0 Answers   TCS,

---

What are the some advantages of using Time Division Multiplexing (TDM) as applied to commercial systems?

11 Answers  

---

What is the largest decimal no that can be represented by a 16 bit binnary word?

1 Answers  

---

Define latching current?

0 Answers  

---

A PLL maintains lock by comparing A The phase of two signals B The frequency of two signals C The amplitude of two signals D None of these

0 Answers  

---