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Exam Details

ESE (IES)Electronics & Communication Engineering P1 2016

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Questions 120
Duration 180 mins
Package ESE & GATE EC - Previous Year Papers

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Difficulty distribution

Medium 74 61.7%
Hard 27 22.5%
Easy 19 15.8%

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Multiple Choices 120 100%

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1
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
Which one of the following helps experimental confirmation of the Crystalline state of matter?
A
Shock compression
B
Photo emission
C
Conductivity measurements
D
X-ray diffraction
2
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
The electrical conductivity of pure semiconductor is:
A
Proportional to temperature
B
Increases exponentially with temperature
C
Not altered with temperature
D
Decreases exponentially with temperature
3
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
Consider the following statements pertaining to the resistance of a conductor: 1) Resistance can be simply defined as the ratio of voltage across the conductor to the current through the conductor. This is, in fact, Georg Ohm’s law 2) Resistance is a function of voltage and current 3) Resistance is a function of conductor geometry and its conductivity. Which of the above statements are correct?
A
1 and 2 only
B
2 and 3 only
C
1 and 3 only
D
1, 2 and 3
4
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
The ratio of ionic radii of Cations i.e., rc and that of Anions i.e. rA for stable and unstable ceramic crystal structure, is:
A
Less than unity
B
Unity
C
Either lesser or greater than unity
D
Greater than unity
5
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
Which one of the following statements is correct?
A
For insulators, the band-gap is narrow as compared to semiconductors
B
For insulators, the band-gap is relatively wide whereas for semiconductors it is narrow
C
The band-gap is equally wide for both conductors and semiconductors
D
The band-gap is narrow in width for both the insulators and conductors
6
2016 · Unclassified
ESE (IES)Electronics & Communication Engineering P1 2016
In an extrinsic semiconductor, the conductivity significantly depends upon:
A
Majority charge carriers generated due to impurity doping
B
Majority charge carriers generated due to thermal agitation
C
Minority charge carriers generated due to impurity doping
D
Minority charge carriers generated due to thermal agitation