1. Dc Circuits a. Nature Of Electricity, Basic Terms – Current ... - ions

aimwellrestElectronics - Devices

Oct 7, 2013 (3 years and 11 months ago)

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1.

Dc Circuits

a.

Nature Of Electricity, Basic Terms


Current, Voltage Potential
Difference, Power, Energy & Heating Effect Of Electrics Current.

b.

Ohm’s Law, Concept Of Electrics Current.

c.

Effect Of Temperature On Resistance, Resistance In Series And
Parallel.

d.

Kirchhoff’s Curre
nt Law And Voltage Law And Their Application
In Simple Dc Circuit, Conversion From Star To Delta And Delta
To Star

2.

Network Theorems

Superposition Theorem, Reciprocity Theorem, Thevenin’s
Theorem Norton’s Theorem And Maximum Power Transfer
Theorem

3.

Electrost
atics

a.

Static Electricity


Absolute And Relative Permittivity Of Medium,
Laws Of Electrostatics

b.

Concept Of Electric Field, Electric Flux, Electrics Field Intensity,
Electric Flux Density, Gauss’s Theorem (Definition Only), And
Coulomb’s Law.

c.

Potential, Poten
tial At A Point, Potential Of A Charged Sphere,
Equipotential Surface, Potential And Electric Intensity Inside A
Conducting Sphere, Concept Of Breakdown Voltage And
Dielectric Strength.

d.


Capacitor, Capacitance, Cylindrical And Spherical Capacitor,
Energy St
ored In A Capacitor, Parallel Plate Capacitor, Series And
Parallel Combination Of Capacitor.

4.

Magnetism And Electromagnetism

a.

Absolute And Relative Permeability, Coulomb’s Law. Magnetic
Field Strength, Magnetic Field Strength, Magnetic Flux And Flux
Density, I
ntensity Of Magnetization

b.

Analog Between Electric And Magnetic Circuit.

c.

Magnetic Field Around A Current Carrying Conductor And
Circular Loop, Force Between Two Parallel Current Carrying
Conductors.

d.

Faraday’s Law, Lenz’s Law Self & Mutually Induced Emf.

e.

Energy
Stored In A Magnetic Circuit.


2



5.

Ac Theory

Concepts Of Alternating Voltage And Current. Difference Between Ac
And Dc, Concept Of Cycle, Frequency, Time Period, Amplitude,
Instantaneous Value, Average Value, Rms Value, Form Factor(Definition
Only).

6.

Measuring Inst
rument

a.

Working Principles & Construction Of Moving Coil And Moving
Iron Instrument, Extension Of Their Range.

b.

Principle & Working Of Wattmeter (Dynamometer Type)

c.

Energy Meter (Induction Type)

7.

Transformer And Ups

a.

Principle, Operation And Constructional Features
Of Single Phase
Transformer Core
-

Type , Shell Type.

b.

Isolation Transformer

Brief Study Of Carious Of Power Problem Use Of Ups And Cvt Their
Working.


List Of Experiments

1.

Verification Of Kirchhoff’s Current Law And Voltage Law In A Dc
Circuit.

2.

Prove The Series C
ombination Of Resistance Req= R1
--------------
A

3.

Prove The Parallel Combination Of Resistance 1/Req+
-------------

4.

Verification Of Theremin’s Theorem, Superposition Theorem And
Maximum Power Transfer Theorem.

5.

Determine The Iron And Copper Losses By Performing O
pen And Short
Circuit Test On Single Phase Transformer.

6.

Conversion Of Galvanometer Into Ammeter And Voltmeter.

7.

Measurement Of Single Phase Power In Ac Circuit Using Wattmeter.

8.

Measurement Of Energy Of A Fiven Load By Single Phase Kwh Meter.




Electrical Technology


B.L. Theraja


3



Electrical Technology
-

J.B. Gupta



Basic Electrical& Electronics Engg.


S.K. Sahdev



Princ
iple Of Electrical Engg.

V.K. Mehta