ELECTRICAL CIRCUITS(CSE401)
UNIT 1-Magnetic Circuits :
To define-Magnetising force,Magnetic intensity,Magnetomotive force,Magnetic flux.Write the relation between Magnetic flux and magnetic intensity.To define- Magnetic Cycle of magnetisation, Magnetic hysteresis.Hysteresis loop.To define Permeability, Permeance, Reluctance. Describe magnetic circuit and comparison with electric circuit.To describe Series,Parallel and composite magnetic circuit.To enumerate the energy started in a magnetic field.To determine the pulling force by an electromagnet.To describe the magnetic circuit in relay.To solve simple problems on magnetic circuit.
UNIT 2-Passive Circuit Elements:
Resistance:To define resistance.To write equation relating voltage current and resistance.To state unit of resistance.To write expression relating resistance, resistivity,length of conductor and area.To write different expression for the energy dissipated in a resistance.To write the specification of resistance.To describe the colour code of resistance.Solving simple problems on resistance.
Capacitor:To define Capacitor Types of Capacitors.To write simple equation relating Capacitance, charge and voltage.Capacitance current and voltage.Energy stored in terms of capacitance and voltage.Capacitance, Area of the plate and distance between plate.To describe the construction of capacitor.To write the specification of capacitor.To solve simple problems on capacitor.
Inductor :To define inductor.To write simple equations relating to voltage, current and inductance.To describe the construction of inductor.To define self and mutual inductance.To define coefficient of coupling.To describe dot convention.To state the unit of inductance.To write the expression for energy stored in inductance.To name different type of inductors and their field of application. To write the equation of inductor relating to its physical dimensions.To solve simple problems on inductor.
UNIT 3-D.C. Circuits:
To define voltage and current source :To represent graphically the ideal current and voltage source.To represent graphically the practical voltage and current source. To describe series parallel combination and determine the equivalent resistance.To deduce the conversion formulae for Delta to Star and viceversa. To state Kirchhofff's current law,Kirchhofff's voltage law,Superposition theorem,Norton's theorem and Thevenin's Theory.Maximum power transfer theorem.To solve the D.C network problems using above theorems and laws.
UNIT 4-Sinusoidally excited Circuits:
To differentiate between A.C and D.C.To describe the principle of generation of sinusoidal voltage and its waveform.To define (a) Cycles (b) Frequency (d) Time Period (d) amplitude (e) phase difference.To define Average and RMS value of simple waves.To write R.M.S. and average value of sinusoidal quantity.To define form factor and peak factor.To represent sinusoidal wave by phases.To represent sinusoidal quantities in. To exponential form.Complex form.Polar form.To state the effect of A.C. quantity through Resistance,Inductance Capacitance. To describe simple RL, RC, & RLC series circuit and to find relation between voltages and current.To write the expression for power and power factor.To describe impedance triangle, power triangle and state the concept of Active reactive and apparent power.
UNIT 5-Series and parallel Resonance:
To state the condition for series resonance.To determine the expression of frequency at resonance condition.To define quality factor.To define band width.To state the condition for parallel resonance. To determine the resonance frequency for parallel LC Circuit.To solve problems on series and parallel resonance.
UNIT 6-Magnetics fields and forces:
Definition of magnetic poles.Definition of magnetic flux, flux density.Characteristics of magnetic field.Properties of magnetic flux.To define electromagnetism.To define magnetic saturation.To define m.m.f, reluctance.To define permeability.Basic magnetic circuit (including Toroid). Analog between electrical & magnetic circuit.To solve simple problem of ampere Turns, flux current etc.
UNIT 6-Magnetic force field interaction:
Time varying magnetic field. Faraday’s law of electromagnetic induction.Flemings right hand rule (examples of simple loop generator). Flemings left hand rule(examples of simple loop generator).Force acting on a current carrying conductor placed in a uniform magnetic field. Definition of Induced emf.Statistically induced emf (Example transformer).Dynamically induced emf (Example transformer)
PRACTICAL :LIST OF EXPERIMENTS:
1.Identification of passive components
2.Performing good bad test of passive components
3.To verify Kirchhoff’s current law and voltage law
4.To verify super position theorem
5.To verify Thevenins’ theorem
6.To measure impedance, power and p.f. of series R-L-C circuit and draw the phaser diagram
7.To verify maximum power transfer theorem
8.To determine the resonance frequency and Q factor in a parallel L-C circuit
9.To study a single phase transformer to explain statistically induced e.m.f
10.To study a d.c. generator to explain dynamically induced e.m.f
REFERENCE BOOK:
Electronics and Electrical Engineering; Lionel Warnes (Macmillan)