Condition:New
Type:Logic ICs
Suspended Aluminum Ring / Invisible Force :
Exploration topic: How does the magnetic field generate force to shoot the shells out? The electromagnetic gun sounds mysterious, but its structure and principle are actually very simple. Electromagnetic launch system to accelerate projectiles. Press the power switch of the electromagnetic gun demonstrator, and you can see that the metal ring is lifted up at high speed. This is because an alternating magnetic field is generated after the alternating current passes through the coil, so that eddy currents are generated in the small metal ring sleeved on the soft iron core. up.
Product Name: invisible force (jump ring) / electromagnetic gun / suspended aluminum ring experiment
Exhibit size: 400×280×350m
Power Supply:220VAC
Function overview: The exhibits are composed of electromagnetic coils, metal rings, control systems, etc.
Operation instructions: Press the operation button, the small aluminum ring in the middle will jump up suddenly, and then suspend and stop in the middle of the column, and can suspend for a period of time, showing the principle of Lenz's law.
Scientific principle: Since there is an alternating current passing through the coil, an induced current is generated in the aluminum ring. The direction of the induced current is opposite to the direction of the current in the coil, so the magnetic field generated by the induced current is opposite to the direction of the magnetic field of the coil, and the two repel each other. And make the aluminum ring jump up. According to Lenz's law, he invented many electromagnetic equipments, such as AC asynchronous motor, electromagnetic damper, eddy current sensor, induction cooker, etc., for the benefit of mankind.
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