Basics of Electrical Engineering (1BBEE105/205)

Basics of Electrical Engineering

Course Code 1BBEE105/205
Semester I/II
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:0:0 
SEE Marks 50
Total Hours of Pedagogy 40 
Total Marks 100
Credits 03 
Exam Hours 03
Examination type (SEE) Theory

Module-1

DC circuits: Ohm’s law and Kirchhoff’s laws, analysis of series, parallel and series-parallel circuits.

Power and energy. Problems.

Electrostatics: Coulombs law, definitions of absolute and relative permittivity, electric field, electric flux,

electric field strength, flux density. Capacitor: Expression of parallel plate capacitor, factors affecting

capacitance, capacitors in series and capacitors in parallel, energy stored in an electrostatic field,

problems.

Electromagnetism: Electromagnets-direction of flux produced, right-hand rule, definition-magnetic

circuit, mmf, magnetic field strength, free space and relative permeability, reluctance, permeance, useful

and leakage flux, simple series circuits and parallel circuit problems.

Number of Hours: 08

Module-2

Electromagnetic Induction: Faraday’s law of electromagnetic induction, Lenz’s law, dynamically and

statically induced emf, Fleming’s right-hand rule. Simple problems. Inductance and mutual inductance,

coefficient of coupling, energy stored and its applications. Force experienced by a current-carrying

conductor placed in the magnetic field. Fleming’s left-hand rule. Force between conductors carrying

current in the same and in the opposite directions.

Number of Hours: 08

Module-3

Single-phase Circuits: Generation of sinusoidal voltage, frequency of generated voltage, Expression of

average value, RMS value, form factor and peak factor of sinusoidal voltage and current. Phasor

representation of alternating quantities. Analysis of R, L and C circuits. Series and parallel R-L, R-C and

R-L-C circuits with phasor diagrams, calculation of real power, reactive power, apparent power, and

power factor, illustrative examples.

Number of Hours: 08

Module-4

Three- phase Circuits: Generation of three-phase system, definition of phase sequence, star and delta

(mesh) connections, relation between phase and line values of voltages and of currents of star and delta

connections, considering the phasor diagram. Definition of balanced and unbalanced source and load.

Power, reactive power and power factor. Problems on balanced loads. Measurement of 3-phase power by

2-wattmeter method. Expression of power factor in terms wattmeter readings. Effect of power factor on

wattmeter readings. Comparison between single phase and three-phase systems.

 Number of Hours: 08

Module-5

Domestic Wiring: Service mains – overhead and underground. Types of wiring: Exposed to open

space – wooden batten wiring and casing and capping. Concealed wiring: conduit wiring. Wiring for

two-way and three-way control of load.

Domestic Electricity Bill: Power-rating of household connected loads. Sanctioned Load. Practical

unit of measuring energy, energy expressed for commercial purposes - Unit, its definition.

Electricity bill [as per Electricity Supply Companies (escoms)]: Tariff method considered: two-part

tariff. Particulars considered for billing: sanctioned load and units consumed. Calculation of electricity

bill for domestic consumers.

Equipment Safety Measures: Working principles of fuse and miniature circuit breaker (MCB),

the merits and demerits of fuse and MCB.

Personal safety measures: Electric shock, possible effects of shocks. Safety precautions to avoid

personal shock while dealing with electricity. Permanent measure: Earthing: Pipe and plate.

Number of Hours: 08

Suggested Learning Resources:

Textbooks:

1. A textbook of Electrical Technology byB.L. Theraja, Volume-1, S Chand and Company, Reprint Edition

2014. [Covers modules 1 to 4]

2. Basic Electrical Engineering, D.C. Kulshreshtha, McGraw Hill, 2nd Edition, 2024. [Covers all

modules]

Reference Books:

1. Basic Electrical Engineering, D. P. Kothari and I. J. Nagrath, McGraw Hill 2nd edition, 3rd Reprint 2024.

2. Principles of Electrical Engineering & Electronics by V. K. Mehta, Rohit Mehta, S. Chand

and Company Publications, 2nd edition, 2015.

3. Electrical Technology by E. Hughes, Pearson, 12th Edition, 2016.

4. Basic Electrical and Electronics Engineering, S.K Bhattacharya, et al, Pearson. 2nd edition,

2017.

5. Handbook of Electrical Engineering formulae, Harish C Rai, CBS Publications, 2018.