Genuine productsFactory-direct, or 10x refund
Primary & Secondary Coil Set, Electromagnetic Induction
Brand：Jinri Lihua ｜ SKU：LT-903892
Request quoteMember price from ¥22.00 (log in) · Factory-direct · OEM/ODM & volume pricing
Size / capacity
原副线圈演示器学生款原副线圈演示器教学款原副线圈+电流器+磁铁+导线原副线圈演示器教学款+电流器+大磁铁+导线
✓Ships from Shanghai stock✓Shock-proof packing · breakage replacement✓Official invoice✓Volume pricing / net terms
Specifications
| Brand | Jinri Lihua |
|---|---|
| Material | General lab material |
| Options | 4 variants |
Product Details
Key Features
- Visible winding counts complete induction-condition studies
- Iron-core insertion changes the magnetic circuit notably
- Connects straight to meters to read current direction
Applications
- Electromagnetic induction teaching
- Factors affecting induced current
- Introducing Faraday's law
Usage Tips
- Move the core quickly
- Center-zero meters show direction
Selection Guide
- Core apparatus for the induction unit
Purchase protection
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Fast dispatchFrom Shanghai Songjiang warehouse
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Breakage coverFree replacement within 48h
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Proper invoiceVAT invoice available
FAQ
What grade levels does this teaching aid suit?
It fits middle and high school classroom demonstrations and group experiments, plus science centers and maker courses; ask us for curriculum matching.
Does it come with instructions?
Yes, basic operating instructions and experiment steps are included; ask customer service for companion handouts or videos.
Is this in stock? How fast do you ship?
Yes, usually in stock. Orders placed on workdays (8:30-17:30 GMT+8) ship within 48 hours from our Shanghai warehouse; for bulk orders please confirm stock and lead time with us first.