magnetic induction line demonstration board electromagnetic magnetic field physics experiment teaching aids science and education instrument experimental apparatus

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1. Overview

This demonstrator is used for teaching high school physics about magnetic fields. It comes in five varieties: upright, reclining, and three-dimensional models. It can be used to demonstrate the formation of magnetic lines of force around bar magnet and horseshoe magnet, and the formation of magnetic lines of force under different conditions of attraction or repulsion. It can also be used to demonstrate the formation of magnetic lines of force around various spaces in the current magnetic field. This demonstrator is made of organic glass, which is novel and beautiful, with clear and obvious effects. It is both intuitive and can be projected.

Section 2. Usage

First, gently shake the demonstration board to make the small needles or the small needles in the holes present an irregular arrangement. Then, place the magnet on the demonstration board and tap the surface lightly to make the small needles or the small needles in the holes clearly show the magnetic lines of force under the action of the magnetic field.

3. Attention

1. Do not contact with acid and alkali and other corrosive products when using or storing, maintain dryness to avoid the oxidation of metal parts and affect the experimental effect.

2. This instrument is made of organic glass, do not forcefully move it, or it may be damaged.