Click on the below given links to preview and download lectutres for free :-
1. Electric Charges and Field
2. Electrostatic Potetial and Capacitance
3. Current Electricity
4. Moving Charges and Magnetism
5. Magnetism and Matter
6. Electromagnetic Induction
7. Alternating Current
8. Electromagnetic Waves
9. Ray Optics
10. Wave Optics
11. Modern Physics
12. Atom
13. Nuclei
14. Semiconductor
15. Communication System
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