ELECTRICAL AND ELECTRONICS ENGINEERING                                          [105]

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Class B. Tech. 1

Semester  Evaluation

Schedule per week

Examination Time = Three (3) Hours

Lectures      :  3

Maximum Marks = 100

[Mid-term (20) & End-term (80)]

Units  Contents of the Subject

DC  Networks:

Kirchoff’s  Laws,  Node  Voltage  and  Mesh  Current  Analysis;

•

Delta-Star and Star-Delta Transformation, Source Conversion.  Classification of

I

Network Elements, Superposition Theorem, Thevenin’s Theorem.

•

Single  Phase  AC  Circuits:

Generation  of

Single  Phase  AC  Voltage,  EMF

Equation, Average, RMS and Effective Values. RLC Series, Parallel and Series-

Parallel  Circuits,  Complex  Representation  of  Impedances.  Phasor  Diagram,

Power and Power Factor.

II

•

Three Phase A.C. Circuits:

Generation of Three-Phase AC Voltage, Delta and

Star-Connection,  Line  &  Phase  Quantities,  3-Phase  Balanced  Circuits,  Phasor

Diagram, Measurement of Power in Three Phase Balanced Circuits.

•

Transformer:

Faraday’s  Law of  Electromagnetic Induction,  Construction and

Operation  of  Single  Phase  Transformer,  EMF  Equation,  Voltage  &  Current

Relationship and Phasor Diagram of Ideal Transformer.

III

•

Electrical DC Machine:

Principle of DC Machines, Types, Different Parts of

DC Machines.

•

Transistor:

Bipolar  Junction  Transistor,  Transistor  Current  Components,

Characteristics of CE, CB and CC Transistor Amplifiers.

IV

•

Thyristors:

The  four  layer  diode,  Bi-directional  thyristors,  the  uni-junction

transistor and its application in thyristor circuits.

Communication  System:

Introduction  to  modulation  (AM,  FM  &  PM)

•

demodulation,  multiplexing.  Superhetrodyne  radio  receiver,  television.

V