Fundamental of Electronics Engineering

Uttarakhand Technical University
B.tech (first year)

odd sem Examination, 2012,

Fundamental of Electronics

Engineering

time :- 3 hrs}

[Total Marks :100 ]

Note : Use of calculator is permitted. 

                                                              Section A

Q1:- Answer any 4 parts of the following :

 4*5=20

1. Explain intrinsic and extrinsic semiconductors by stating at least two examples of each.
2. Explain the basic concept of forbidden gap in semi conductors and discuss the effect of temperature on it.
3. Describe the formation

BASIC ELECTRICAL ENGINEERING

UTTARAKHAND TECH. UNIVERSITY

B.TECH FIRST YEAR, 2012

 BASIC ELECTRICAL ENGINEERING

Time :- 3 hrs}

Total marks : 100]

Q1:- Attempt any four parts of the following :

1. he Norton's and Thevenin's theorem. Also discuss about the duality of Norton's and Thevenin's Theorem.

BASIC TECHNICAL COMMUNICATION

UTTARAKHAND TECHNICAL UNIVERSITY

B.TECH (SEM. 2ND) 

2012

BASIC TECHNICAL COMMUNICATION

time : 3hr]
total marks : 100 }

Note : Attempt all questions. It has five sections, every section contain 20 marks.

Section A

Q1:- Attempt any two of the following :

1. "Communication is a process of sharing or exchange information between two or more persons." Discuss in detail.
2. What are the barriers to communication? Elaborate briefly each category of barriers.
3. How is language a tool of communication? Discuss the characteristics of language.

FUNDAMENTALS OF COMPUTER PROGRAMMING

UTTARAKHAND TECHNICAL UNIVERSITY

EVEN SEM EXAMINATION,

2012

FUNDAMENTALS OF COMPUTER

PROGRAMMING

time:- 3hrs}
total marks :- 100]

Q1:- Attempt any four of the following:

1. Explain IEEE standard for representation of a floating point number. Also discuss the concept of biasing and normalization.
2. Draw the block diagram of a digital computer. Explain its various components. Discuss any five peripheral devices.

ELECTROMECHANICAL ENERGY CONVERSION-I

UTTARAKHAND TECHNICAL UNIVERSITY

B.TECH (SEM. 3RD) 

2012

ELECTROMECHANICAL ENERGY CONVERSION-I

time : 3hr]

max marks: 100

Note : Attempt all questions.

SECTION A

Q1:- Attempt any four of the following :

4 x 5=20 

1. 1.    Show that the energy stored in a magnetic field is equal to the area between the ψ-i curve for the system and the flux linkage (ψ) axis.
   

SYSTEM ENGINEERING

SYSTEM ENGINEERING
SEM-V, 2011-12
B.TECH EXAMINATION
UTTARAKHAND TECHNICAL UNIVERSITY

Time: 3 hours

Total Marks: 100

Attempt any four parts:

1. What is open loop and closed loop system? Giveadvantages and disadvantages of closed loop control system.
2. Explain force-voltage analogy with relevant diagram andequations.

POWER ELECTRONICS

POWER ELECTRONICS
SEM-VI, 2012
B.TECH EXAMINATION
UTTARAKHAND TECHNICAL UNIVERSITY

Time: 3 Hours

Total Marks: 100

Note: Attempt all question. Use of calculator is permitted.

Answer any four parts of the following:

1. What are the different methods of firing employed for SCR triggering? Explain UJT firing circuit with relevant waveforms.
2. Discuss the two transistor model of thyristor and derive an expression for the anode current.
3. Draw the static V-I characteristics of SCR and explain its mode of operation.