4.1. Introduction 4.2. Magnetic Force 4.2.1. Sources and Fields 4.2.2. Magnetic Field, Lorentz Force 4.2.3. Magnetic Force on a Current-carrying Conductor 4.3. Motion in a Magnetic Field 4.4. Motion in Combined Electric and Magnetic Fields 4.4.1. Velocity Selector 4.4.2. Cyclotron 4.5. Magnetic Field due to a Current Element, Biot-Savart Law 4.6. Magnetic Field on the Axis of a Circular Current Loop 4.7. Ampere's Circuital Law 4.8. The Solenoid and the Toroid - The Solenoid - The Toroid 4.9. Force between Two Parallel Currents, the Ampere 4.10. Torque on Current Loop, Magnetic Dipole 4.10.1. Torque on a Rectangular Current Loop in a Uniform Magnetic Field 4.10.2. Circular Current Loop as a Magnetic Dipole 4.10.3. The Magnetic Dipole Moment of a Revolving Electron 4.11. The Moving Coil Galvonometer
1. Electric Charges and Fields 2. Electrostatic Potential 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 and Optical Instruments 10. Wave Optics 11. Dual Nature of Radiation and Matter 12. Atoms 13. Nuclei 14. Semiconductor Electronics: Materials, Devices and Simple Circuits 15. Communication Systems