Answer / ravi

NO, bcz mobile phone works on microwaves which is in ghz
and it has high frequency so it is obuious that its
wavelength is less which is unable to penetrate the walls
of lift which are of steels

Answer / syncopator

No. A lift compartment is a very good Faraday cage.

Why the width of the base region of a transistor is kept very small compared to other regions?

0 Answers  

---

Explain how to convert binary to excess 3 code and vice verse?

0 Answers  

---

Define what do you mean by donor and acceptor impurities?

0 Answers  

---

When we design PI controller, when we design PID controller & is there any ID controller ? When we design PI controller, when we design PID controller & is there any ID controller ? Explain the working of Incubator Box which is a PI controller ?

3 Answers  

---

What are the different ways to check LED light/bulb?

3 Answers   Infosys,

---

SIR,i am applying for the jr.engineer(signal)post.kindly if you send some previos sample question -answer i will be higly obliged

0 Answers  

---

the two inputs to and gate are 4V and 5V.if threshold voltage is 0.5V.then what is output of and gate?if input voltage is reduced to 0.52V each,then what will be output?

2 Answers   Intel,

---

i in 4th year electronics engineering. i ask about ideas for graduaring projects?

0 Answers  

---

what is Zos

1 Answers  

---

in adaptor circuit there is a transformer(it has four input & four output)which is used after rectifier .for what they are using this? they connect input between 1&4 and get output across 1&2 how it is possible?

1 Answers  

---

Do u any one having Idea on Indocen Electronics. That is in Mumbai. I got an offer from that. Is that company is good or not. I am little bit confused on it. Please provide me the information.

0 Answers  

---

The change in a semi-conductor strain gauge, in resistance on application of strain is mainly due to the change in its

0 Answers   C DAC, CDAC,

---