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Chapter I ELECTRONICS Lesson 1 The dependence of amperage on the potential difference between two conductors Lesson 2 Resistance of conductors - Ohm's Law Lesson 3 Practice: Determine the resistance of a conductor using an ammeter and voltmeter Lesson 4 The series circuit . Lesson 5 Parallel circuit Lesson 6 Exercises to apply Ohm's law Lesson 7 The dependence of the resistance on the length of the conductor Lesson 8 The dependence of the resistance on the cross section of the conductor Lesson 9 The dependence of the resistance on materials for conductors Lesson 10 - Variable resistors - Resistors used in engineering Lesson 11 Exercises to apply Ohm's law and the formula to calculate the resistance of conductors Lesson 12 Electrical capacity . . . Lesson 13 Electricity - Work of electric current Lesson 14 Exercises about electric power and use of electricity Lesson 15 Practice: Determining the power of electric tools Lesson 16 Jun-Lens Law Lesson 17 Operation exercises using Jun - Lenz law Lesson 18 Practice : Testing the Q - I relationship in Jun - Lenz law Lesson 19 Safe use and saving of electricity Lesson 20 Summary of chapter I : Electricity Chapter II Electromagnetism Lesson 21 Permanent magnets Lesson 22 Magnetic effects of electric currents - Magnetic fields Lesson 23 Magnetic spectrum - Magnetic lines of force Lesson 24 The magnetic field of a current-carrying coil Lesson 25 Magnetism of iron, steel - Electromagnets Lesson 26 Applications of magnets Lesson 27 Electromagnetism Lesson 28 DC motors Lesson 29 Practice: Making a permanent magnet, testing the magnetism of a current-carrying wire Lesson 30 Practical exercises right hand rule and left hand rule Lesson 31 The phenomenon of electromagnetic induction Lesson 32 Conditions for the occurrence of induced current Lesson 33 Alternating current Lesson 34 Alternating generator Lesson 35 Effects of electric current AC - Measuring AC voltage and amperage Lesson 36 Transmitting power over long distances Lesson 37 Transformers Lesson 38 Practice: Operating generators and transformers Lesson 39 Summary of Chapter II : Electromagnetism Chapter III. Optics Lesson 40 Refraction of light Lesson 41 Relationship between angle of incidence and angle of refraction Lesson 42 Converging lenses Lesson 43 An image of an object formed by a converging lens Lesson 44 A diverging lens Lesson 45 An image of an object object formed by a diverging lens Lesson 46 Practice : Measuring the focal length of a converging lens Lesson 47 Image creation in a camera Lesson 48 Eyes Lesson 49 Myopia and old eyes Lesson 50 Magnifying glass Lesson 51 Geometrical optics Exercises 52 White and colored light Lesson 53 The analysis of white light Lesson 54 Mixing colored lights Lesson 55 The color of objects under white and colored light Lesson 56 Effects of light Lesson 57 Reality Exercise : Identifying monochromatic and non-monochromatic light with CD Lesson 58 Chapter III Summary: Optics Chapter IV ENERGY CONSERVATION AND CONSERVATION Lesson 59 Energy and Energy Transformation Lesson 60 Law conservation of energy Lesson 61 Power generation - Thermal and hydroelectricity Lesson 62 Wind power - Solar power - Nuclear power Symbol table and diagrams used in electrical circuits