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  #1  
5th August 2014, 08:03 AM
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IES Exam Electronics and Telecommunication Engineering paper

I am looking for question paper for Indian engineering services electronics and telecommunication engineering examination in PDF file format?
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  #2  
5th August 2014, 09:40 AM
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Join Date: Apr 2013
Re: IES Exam Electronics and Telecommunication Engineering paper

Here I am giving you question paper for Indian engineering services electronics and telecommunication engineering examination in PDF file attached with it so you can get it easily.

1. Which of the following ,statements d a r e true *. - . * . q - .,v ,.?
for the diamond structure ? .
1.. Coordination number is four..
2. Packing fraction is 0.34.
3. Copper crystallizes into diamond
strucLurc.
4, Lattice is FCC.
(a) 1 only
(b) 1, 2 and 4
(c) 2 and 3 only
(dl 2, 3 and 4
2. Which of the following statements idare true
for a good conductor of electi-icity ?
f L
1.. Its conductivity decreases with
increasing temperature.

2. Number of free electrons is around
loz8
3. Its conductivity decreases with addition
of impurities. '
4. It is a good conductor of heat also.
(a) 1, 2, 3 and 4
(b) 1 only
(c) 2 and 3 only
(d) 3 and 4 only

3. Which of the following materials is not an
insulat,or ?
(a) . Iliamond
(b) Graphite
Id) Lucite
Consider the following statements :
The conductivity of a metal has negative
temperature coeff~cient since :
1. The electron concentration increases
' with temperature. '
2. The electron mobility decreases with
temperature.
3. The electron - lattice scattering rate
increases with temperature.
Which of the above statements islare
correct ?
(a) 1 only
(b) l'and 2
(c) 2 and 3
(dl 3 only
Which of the following is not a conducting
material ?
(a) copper
(b) Tungsten . '
(c) . Germanium
(dl Platinum

What is the chemical bonding in silicon
semiconductor ? .
(a) Metallic
(b) ' Ionic
( c ) Covalent
(d) Van der Wads

Which one of the following is a trivalent;
material ?
(a) Antimony
(b) Phosphorus
(c) Arsenic
(d) Boron









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