Unit-I 1. Varying Currents, 2. A.C. Bridge Circuits, 3. Network Theorems, Unit-II 4. Semi Conductor Physics, 5. Diodes, 6. Rectifiers and Power Supplies, 7. Bipolar Transistors, Unit-III 8. Transistor Biasing Circuit and Load Line, 9. Small Signal Amplifiers, 10. Feedback Principles, Unit-IV 11. Oscillators, 12. Amplitude Modulation and Detection, 13. Elements of Transmission and Reception, 14. Cathode Ray Oscilloscope and Multimeters.I141:I151