Unit – I: D.C. Networks:
Introduction, Ohm’s law, Kirchhoff’s laws, Mesh and Nodal analysis, Superposition theorem,
(only independent sources). Definitions of MMF, Magnetic field strength, Reluctance, Leakage flux
and fringing, Core losses, Comparison of the Electric and Magnetic Circuits, Problems on Series
Magnetic Circuits.
Unit – II: A.C. Circuits:
Production of AC voltage, Basic Definitions of root mean square and average values, form factor
and peak factor, the j operator and Phasor Algebra, Analysis of ac series and Parallel Circuits,
Series- Parallel Circuits.
Unit – III: Single phase Transformers:
Introduction, Principles of operation, Constructional details, Ideal Transformer and Practical
Transformer, EMF equation, Rating, Phasor diagram at no load, Losses in Transformers.
Unit-IV: Diode:
Brief Review of Semiconductors, N-Type & P-Type Semiconductors, Formation of Depletion
Layer in a PN Junction, Forward & Reverse Biased, V-I Characteristic, Diode Current
Equation,Diode Applications.LED, Advantages & applications of LEDs., Seven-segment Displays,
Unit-V: Transistor:
BJT Construction, Junction Biasing of BJT, Operation of NPN & PNP BJT, Input and Output
Characteristics of Transistor in CE configuration; Transistor as an Amplifier& as a Switch.
Advantages of ICs & Scale of Integration.