15EE21T: Electrical Circuits Electrical 2nd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Electrical Circuits detail DTE Kar Diploma syllabus for Electrical And Electronics Engineering (EE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15EE21T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other electrical 2nd sem syllabus for diploma c15 scheme dte karnataka you can visit Electrical 2nd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for electrical circuits is as follows.

Pre-requisites:

Applied Science, Applied Mathematics-I and EEE in I- Semester Diploma.

Course Objectives:

Prepare the student to understand the working of Electrical Circuits.

Course Outcomes:

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UNIT I

Introduction:
Types of circuits- open, closed and short circuit; Linear, non linear circuits, passive active circuits and components, node, unilateral, bilateral circuits.

D.C circuits :
Kirchhoff’s laws, Ideal Voltage, Ideal Current source & conversion; Star -delta Transformation Network theorems-Thevinin’s Theorm, Reciprocity Theorem, Superposition Theorem Maximum power transfer Theorem. Problems on KVL,KCL, star-Delta transformation and Network theorems.

UNIT II

Magnetism and Magnetic circuits:
magnetic circuit, mmf, reluctance and mention their units, Absolute permeability and Relative permeability and mention their units, relationship between Flux, MMF and Reluctance ,Compare Electric circuit with magnetic circuit. Problems on magnetic circuits.

UNIT III

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UNIT IV

A.C. Principles :
Generation of Single phase AC voltage , Frequency, Amplitude, Cycle, Time period and their units ; Maximum value, RMS value, Average value, Form factor and Peak factor of a sinusoidal wave, Instantaneous value of Voltage and Current , phase and phase difference, Vectorial representation of AC quantities, Power and Power factor in AC circuits, problems on above.

Vector Algebra:
Represent vectors in Rectangular, Trigonometric and Polar forms, Convert Rectangular form into Polar form and vice-versa and problems on R to P and P to R , Arithmetic operations on vectors, problems.

UNIT V

Single Phase AC Circuits :
Current and Power in a pure resistive, pure inductive and pure capacitive circuit ; Capacitive reactance , Inductive reactance ,Impedance, Current, Power and Power factor of R-L, R-C, R-L-C series and parallel circuits, problems on R-L, R-C, R-L-C series and parallel circuits. Resonance, resonant frequency and Q-factor.

UNIT VI

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Reference Books:

1. Electrical Technology by B.L. Theraja.
2. Electrical Technology by Hughes
3. Principles of Electrical Engineering by B. R. Gupta
4. Basic Electrical Engineering by V.K. Mehta &Rohit Mehta.
5. http://www.facstaff.bucknell.edu/mastascu/elessonshtml/eeindex.html – Welcome to Exploring Electrical Engineering.
6. Fundamentals Hand book of Electrical Science, Module 1, Basic Electrical Theory, Department of Energy, U. S. Department of Energy, June 1992.
7. http://www.freeengineeringbooks.com/Electrical/Basic-Electrical-Engineering.php

Course Delivery:

The Course will be delivered through lectures, classroom interaction, animations, group discussion, exercises and assignments.

Suggested Student Activities:

Each Student has to prepare a self hand written report of 3 pages considering any one of the following topics.

1. Report on different theorems and their practical applications.
2. Report on different materials used for electromagnets with their properties.
3. Applications of Electro Magnetic Induction, statically induced and dynamically induced emf, self and mutual induced emfs.
4. Perform Polar to Rectangular and vice versa operations on Computer package (Excel) and submit a report giving commands and formulae.
5. Practical applications of Single Phase AC Circuits and Three phase AC Circuits with their operating voltages and other electrical parameters.

Model Question Paper:

(CIE)

1. What are the types of Electrical circuits?
2. Explain the STAR-DELTA transformation?

OR State Maximum Power Transfer theorem and explain.

3. Define with SI units permeability, absolute permeability and relative permeability.
4. Show the relation between mmf, reluctance and flux.

OR Compare magnetic circuit with electric circuit.

Model Question Paper:

PART – A

1. Define closed circuit, open circuit, and short circuit condition in a circuit.
2. State Kirchhoff’s Voltage and Current laws.
3. Bring out the differences between magnetic circuit and electric circuit.
4. State Faraday’s Laws of Electromagnetic induction.
5. Define mutually induced emf and explain it.
6. Draw a sinusoidal waveform and mark the following
1. max value
2. instantaneous value
3. time period
4. frequency.
7. Differentiate between the terms ‘in- phase’ and ‘out of phase’ alternating quantities.
8. Mention the advantages of 3-phase system over single phase system.
9. Prove that line voltage is equal to phase voltage in a 3ph delta connected system.

PART – B

1. Define the following:
1. bi-lateral circuit.
2. non-linear circuit.
2. Explain Kirchhoff’s Current Law with an example.
1. Define and mention the units :
1. Reluctance
2. MMF
2. State the Law relation between flux, mmf& Reluctance. Write the equation.
1. State and explain Lenz’s law.
2. Compare magnetic circuit with electric circuit
1. State and explain Fleming’s right hand rule.
2. A current of 5A flowing through a coil of 500 turns produces a flux of 20mWb. Find the co-efficient of self induction and the inductive reactance of the coil at 50Hz frequency.
1. Derive an expression for dynamically induced emf.
2. A coil of 500 turns is wound over a magnetic material of relative permeability 500. The length of the coil is 50cms and the diameter of the coil is 1cm. If a current of 5A is passed through the coil , find –
1. inductance of the coil
2. energy stored in the coil.
1. Derive an expression for instantaneous value of voltage and current.
2. Explain power factor.
1. Derive the equation for power in a pure inductive circuit.
2. Two impedances Z1=(4+j6) and Z2=(6-j4) are connected in parallel across a 230V, 50Hz supply. Calculate –
1. impedance
2. current
3. p.f of the circuit.
1. Explain the generation of three phase voltage.
2. Explain STAR connected three phase system.
1. Prove that line voltage is equal to \3 phase voltage in a 3ph star connected system.
2. List the methods ofpower measurement in a 3 ph system.
1. Explain 2-wattmeter method of measuring 3ph power.
2. Explain the meaning of a balanced 3ph system?

For detail syllabus of all other subjects of BE Electrical, C15 scheme do visit Electrical 2nd Sem syllabus for C15 scheme.

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