Domestic Circuit Apparatus Manufacturer,Supplier and Exporter in India
Product Code : SCL-EAE-11196
The Fleming's Left Hand Rule Demonstration Apparatus by Lab Exports is a sturdy, high-quality physics lab setup engineered to clarify the fundamentals of electromagnetism. Constructed on a stable, non-conductive plastic or finished wooden baseboard [confirm base material], the instrument features a lightweight, free-hanging copper wire conductor suspended horizontally within the magnetic field of a strong permanent U-shaped magnet. This visual alignment makes it remarkably simple for students to match the physical physical movement with their own left-hand coordinate vectors.
When low-voltage direct current (DC) is applied to the circuit, the suspended wire loop instantly deflects, visibly demonstrating the Lorentz force in action. By reversing either the polarity of the DC electrical supply or the orientation of the permanent magnetic poles, students can observe corresponding changes in the direction of the mechanical thrust. This interactive, hands-on tool is highly effective for converting abstract vector formulas into clear, memorable spatial concepts.
Key Features
Instant Vector Visualization: Provides a clear, physical demonstration of the orthogonal relationship between magnetic field, electrical current, and mechanical force.
Strong Permanent Magnetism: Equips a high-field permanent U-magnet [confirm magnet type] to ensure strong, highly visible wire deflection at low current thresholds.
High-Contrast Educational Base: The baseboard features a clean, silk-screened diagram illustrating the thumb (force), forefinger (field), and middle finger (current) vector orientations.
Durable Brass Connections: Fitted with heavy-duty 4mm binding terminal posts to ensure secure, low-resistance connections during experiment cycles.
Safe Low-Voltage Operation: Designed to run on low DC voltage (typically 2V to 6V), ensuring safe, touch-friendly operation in student labs.
Precision Suspension: Features a highly sensitive, low-friction wire suspension mechanism that reacts instantly to small magnetic forces.
Technical Specifications
Operating Voltage Range
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Specification |
Detail |
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Product Name |
Fleming's Left Hand Rule Demonstration Apparatus |
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Brand |
Lab Exports |
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Magnet Type |
High-strength permanent U-shaped Alnico/Ferrite magnet [confirm material] |
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Conductor Assembly |
Suspended, highly conductive copper swing-arm loop |
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Input Terminals |
Standard 4mm color-coded safety binding posts (red/black) |
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2.0V to 6.0V DC maximum |
What's Included in the Kit
1 x Pre-assembled Demonstration Baseboard with support pillars
1 x High-strength permanent U-shaped magnet with colored north/south poles
1 x Lightweight copper wire swing-arm conductor assembly
2 x Safety connecting jumper leads with 4mm banana pins
1 x Illustrated teacher's experimental guide and student laboratory worksheet
Applications / Uses
Demonstrating the fundamental working mechanism behind electric DC motors in high school physics labs.
Visualizing the directional application of the Lorentz Force vector ($F = I \cdot L \times B$) in college physics coursework.
Proving how changing the direction of current or magnetic fields reverses the mechanical force vector.
Engaging students in STEM workshops to build physical models of basic electromagnetic actuators.
How to Use the Fleming's Left Hand Rule Demonstration Apparatus
Place the apparatus flat on a stable laboratory table and position the U-shaped magnet so that its poles span around the suspended copper loop.
Connect a low-voltage DC power supply or battery pack (set to 2V–4V) to the red and black 4mm binding posts using the provided terminal jumper leads.
Briefly switch on the power supply and observe the direction of the physical swing of the suspended wire.
Align your left hand with the apparatus: point your forefinger in the direction of the magnetic field (North to South), and your middle finger in the direction of the conventional current flow (Positive to Negative). Verify that your thumb points in the direction of the wire swing.
Reverse the connection leads at the binding posts to invert the current direction, and observe how the wire swing direction reverses.
Carefully flip the magnet to reverse the magnetic field direction, and observe how the force vector changes once more.
Handling Note: Avoid leaving the DC current switched on continuously. Due to the very low resistance of the suspended copper loop, leaving the current active for long periods can cause the connections to overheat or deplete batteries rapidly.
Care & Maintenance
Store the apparatus in a dry, temperate environment. Do not place permanent magnets near high temperatures, as excessive heat can cause demagnetization.
Keep the pivot points of the suspended copper loop clean and free of dust or grease to maintain low friction sensitivity.
Clean the non-conductive baseboard and plastic components with a soft, dry microfiber cloth; avoid using liquid organic solvents or harsh detergents.
Why Choose Lab Exports
Lab Exports is an industry-leading manufacturer and exporter of durable scientific laboratory instruments, high-grade physics models, and interactive educational trainers. Our products are engineered with robust, wear-resistant components to ensure decades of high-accuracy instructional usage in active schools. We successfully manage high-volume supply pipelines for national education ministries, school science tenders, and universities globally. With our commitment to precise calibration, safety standards, and reliable shipping, we stand as a trusted partner for school labs worldwide.
Frequently Asked Questions
What is a Fleming's Left Hand Rule Apparatus used for?
It is used in physics labs to physically demonstrate the mechanical force exerted on a current-carrying conductor placed within an active magnetic field.
What does each finger represent in Fleming's Left Hand Rule?
According to the rule, the forefinger represents the direction of the Magnetic Field, the middle finger represents the direction of the electric Current, and the thumb represents the direction of the resulting Force (Motion).
Does this apparatus require an external power supply?
Yes, it requires a low-voltage external DC power supply or a battery pack (operating safely between 2V and 6V) to pass a current through the suspended wire.
What material is the base of the apparatus made of?
The base is molded from a sturdy, high-impact non-conductive polymer or Bakelite to prevent stray electrical currents and ensure long-term classroom safety.
Can the direction of the wire deflection be reversed?
Yes, the deflection direction of the wire can be reversed easily by either swapping the DC supply terminals (reversing the current) or flipping the magnet poles (reversing the magnetic field).
To upgrade your physics curriculum with interactive models, check out our full range of hands-on science kits, source highly reliable lab experiment setups, select curated educational mathematics kits, or explore our anatomical and physical didactic models to create an integrated classroom training environment.
