{"id":8530784649369,"title":"Primary Secondary Coil Physical Electromagnetic Induction Coil Experimental Instrument Primary Coil A Secondary Coil B Soft Iron Core C for Physics Teaching","handle":"primary-secondary-coil-physical-electromagnetic-induction-coil-experimental-instrument-primary-coil-a-secondary-coil-b-soft-iron-core-c-for-physics-teaching","description":"\u003ch3\u003ePrimary Secondary Coil Physical Electromagnetic Induction Coil Experimental Instrument Primary Coil A Secondary Coil B Soft Iron Core C for Physics Teaching\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSpecification: Item Type:Electromagnetic Induction Coil Material: PVC + brass.\nPurpose: middle and high school physics experiment Applicable experiments:\nstudy electromagnetic induction, check the Lenz law, study the phenomenon of\nmagnetic induction The outer diameter of the hole at the bottom of the\noriginal coil is: approx. 40 mm \/ 1.6 inches. The inner diameter of the hole\nat the bottom of the original coil is: approx. 25 mm \/ 1.0 inches. The height\nof the round hole at the bottom of the original spool: approx. 60 mm \/ 2.4\ninches. The diameter of the hole at the bottom of the secondary coil is:\napprox. 25 mm \/ 1.0 inches. The inner diameter of the round hole at the bottom\nof the secondary coil is: approx. 15 mm \/ 0.6 inches. The height of the round\nhole at the bottom of the secondary coil: approx. 80 mm \/ 3.1 inches. Soft\ncore length: approx. 85 mm \/ 3.3 inches. How to use: 1. Investigate the\nphenomenon of electromagnetic induction: connect the two ends of the secondary\ncoil B with wires to the two terminals of the ammeter; If one end of the rod\nmagnet is used to quickly insert (or pull out) the secondary coil, the hands\nof the galvanometer are all deflected, indicating that at this time an induced\ncurrent in the secondary coil . This phenomenon is called electromagnetic\ninduction. When the magnet is fixed, the movement of the auxiliary coil also\nproduces the same phenomenon. 2. Review Lenz's Law Synthesize the above\nexperimental results and analyze them to review the Lenz law. 3. Study the\nphenomenon of magnetic induction Package list: 1 x primary coil A 1 x\nsecondary coil B 1 x soft iron core C\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEasy to Carry The electromagnetic induction coil is lightweight and portable, specializing in electromagnetic induction phenomena, which is convenient to carry and use. Easy to use, can be used with bar magnets, ammeters, sliding varistors and other instruments.\u003c\/li\u003e\n \u003cli\u003ePhysics Lab Equipment:Physics lab equipment aids make learning physics experiments more efficient.\u003c\/li\u003e\n \u003cli\u003eFunction It is designed to demonstrate electromagnetic induction and review the Lenz law for students. It is an ideal choice for physics lessons. Material: PVC+Brass\u003c\/li\u003e\n \u003cli\u003ePackage List: 1 x Primary Coil A; 1 x Secondary Coil B; 1 x Soft Iron Core C\u003c\/li\u003e\n \u003cli\u003eLONG USE TIME Sturdy and durable, made of enameled copper, wear-resistant, not easy to damage and long service life.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2025-09-25T00:30:39+10:00","created_at":"2025-09-25T00:30:36+10:00","vendor":"Walfront","type":"Coils","tags":["industryDE_Sep2025"],"price":19200,"price_min":19200,"price_max":19200,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":45743618588825,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"de-B09D7WMM1F","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Primary Secondary Coil Physical Electromagnetic Induction Coil Experimental Instrument Primary Coil A Secondary Coil B Soft Iron Core C for Physics Teaching","public_title":null,"options":["Default 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Secondary Coil Physical Electromagnetic Induction Coil Experimental Instrument Primary Coil A Secondary Coil B Soft Iron Core C for Physics Teaching\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eSpecification: Item Type:Electromagnetic Induction Coil Material: PVC + brass.\nPurpose: middle and high school physics experiment Applicable experiments:\nstudy electromagnetic induction, check the Lenz law, study the phenomenon of\nmagnetic induction The outer diameter of the hole at the bottom of the\noriginal coil is: approx. 40 mm \/ 1.6 inches. The inner diameter of the hole\nat the bottom of the original coil is: approx. 25 mm \/ 1.0 inches. The height\nof the round hole at the bottom of the original spool: approx. 60 mm \/ 2.4\ninches. The diameter of the hole at the bottom of the secondary coil is:\napprox. 25 mm \/ 1.0 inches. The inner diameter of the round hole at the bottom\nof the secondary coil is: approx. 15 mm \/ 0.6 inches. The height of the round\nhole at the bottom of the secondary coil: approx. 80 mm \/ 3.1 inches. Soft\ncore length: approx. 85 mm \/ 3.3 inches. How to use: 1. Investigate the\nphenomenon of electromagnetic induction: connect the two ends of the secondary\ncoil B with wires to the two terminals of the ammeter; If one end of the rod\nmagnet is used to quickly insert (or pull out) the secondary coil, the hands\nof the galvanometer are all deflected, indicating that at this time an induced\ncurrent in the secondary coil . This phenomenon is called electromagnetic\ninduction. When the magnet is fixed, the movement of the auxiliary coil also\nproduces the same phenomenon. 2. Review Lenz's Law Synthesize the above\nexperimental results and analyze them to review the Lenz law. 3. Study the\nphenomenon of magnetic induction Package list: 1 x primary coil A 1 x\nsecondary coil B 1 x soft iron core C\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eEasy to Carry The electromagnetic induction coil is lightweight and portable, specializing in electromagnetic induction phenomena, which is convenient to carry and use. Easy to use, can be used with bar magnets, ammeters, sliding varistors and other instruments.\u003c\/li\u003e\n \u003cli\u003ePhysics Lab Equipment:Physics lab equipment aids make learning physics experiments more efficient.\u003c\/li\u003e\n \u003cli\u003eFunction It is designed to demonstrate electromagnetic induction and review the Lenz law for students. It is an ideal choice for physics lessons. Material: PVC+Brass\u003c\/li\u003e\n \u003cli\u003ePackage List: 1 x Primary Coil A; 1 x Secondary Coil B; 1 x Soft Iron Core C\u003c\/li\u003e\n \u003cli\u003eLONG USE TIME Sturdy and durable, made of enameled copper, wear-resistant, not easy to damage and long service life.\u003c\/li\u003e\n \u003c\/ul\u003e"}