Hand Rule Demonstrator
Product Code : EL-PLE-13175
Eduscope India is a leading Hand Rule Demonstrator
Quick Answer: Hand Rule Demonstrator lets students predict motion from current direction and magnet polarity, then run the same setup in reverse to show a generator converting motion into current.
This apparatus gives students a clear, hands-on way to connect current, magnetism, and motion in a single device, part of EduScope India's electronic lab instruments India range under Physics Lab Equipment. It challenges learners to predict the direction of motion from the magnet's polarity and the direction of current flow, turning an abstract electromagnetic rule into something they can watch happen in real time. As electrons flow through the wire, they generate a magnetic field whose strength is directly proportional to the current; when this current-carrying wire sits near the apparatus's horseshoe magnet, the resulting magnetic repulsion sets it in motion, mirroring the working principle of an electric motor. The horseshoe magnet can be removed and repositioned to reverse the poles, letting students see firsthand how flipping the orientation of the magnetic field changes the direction of motion for a given current. Run the same setup in reverse and it teaches the complementary lesson: connect a galvanometer to the apparatus and start the coil swinging, and the motion itself generates a current, illustrating how a generator converts mechanical motion into electricity. The apparatus operates on a low-voltage 3V to 6V DC supply, and a built-in switch triggers a temporary current in the magnetic coil on command, so instructors can start and stop the motion effect precisely.
| Specification | Value |
|---|---|
| Operating voltage | 3V to 6V DC |
| Magnet | Removable, repositionable horseshoe magnet |
| Control | Built-in switch for temporary coil current |
| Modes | Motor demonstration or generator demonstration (with galvanometer) |
It is part of EduScope India's Physics Lab Equipment range. To take electromagnetic induction further, pair this demonstrator with EduScope India's Primary and Secondary Coils set for a closer look at induced currents between coils. For another angle on converting motion into electricity, the Hand Held Generator offers a complementary, purely mechanical demonstration of the same generator principle.
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