{"ok":true,"q":"Lenz's Law","n":7,"results":[{"id":"class_12\/physics\/chapter_06_electromagnetic_induction","title":"Chapter 6 — Electromagnetic Induction","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter introduces electromagnetic induction — the production of an electromotive force (emf) in a circuit due to a changing magnetic environment. Starting from Faraday’s expe","topic":"Lenz's Law","anchor":"topic-3"},{"id":"class_10\/science\/chapter_11_magnetic_effects_of_electric_current","title":"Chapter 11 — Magnetic Effects Of Electric Current","class_num":10,"subject":"science","subject_label":"Science","summary":"This chapter introduces the magnetic effects of electric current — how a current produces a magnetic field and how a magnetic field acts on a current. Starting from Oersted's disco","topic":"Direction of Induced Current and Lenz's Law","anchor":"topic-10"},{"id":"class_12\/physics\/chapter_04_moving_charges_and_magnetism","title":"Chapter 4 — Moving Charges And Magnetism","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter explores magnetism produced by moving electric charges and steady currents, and the forces and motions that result when charges or current-carrying conductors are plac","topic":"","anchor":""},{"id":"class_12\/physics\/chapter_07_alternating_current","title":"Chapter 7 — Alternating Current","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter introduces Alternating Current (AC), the dominant form of electrical power used in homes, industries and power systems. Beginning with the difference between direct an","topic":"AC generator: emf induced","anchor":"topic-4"},{"id":"class_12\/physics\/chapter_05_magnetism_and_matter","title":"Chapter 5 — Magnetism And Matter","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter (Magnetism and Matter) develops the concepts linking magnetic fields and material response. It begins with magnetic dipoles (current loops and bar magnets), the torque","topic":"Classification of magnetic materials","anchor":"topic-8"},{"id":"class_12\/chemistry\/chapter_01_the_solid_state","title":"Chapter 1 — The Solid State","class_num":12,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces the solid state — the study of crystalline and amorphous solids, their structure, packing and properties — forming a foundation for understanding materials.","topic":"Magnetic Properties of Solids","anchor":"topic-18"},{"id":"class_12\/physics\/chapter_08_electromagnetic_waves","title":"Chapter 8 — Electromagnetic Waves","class_num":12,"subject":"physics","subject_label":"Physics","summary":"This chapter presents electromagnetic waves as self-propagating disturbances of electric and magnetic fields that follow from Maxwell’s equations. It begins with the physical need ","topic":"Skin Effect and Skin Depth","anchor":"topic-14"}]}