The principle of measuring instruments - with the coil
This experiment demonstrates the principle of measuring devices with ferromagnetic vtažným feromafnetickým core.
Educational phase: motivation
- connecting wires
- ferromagnetic cylinder
- load cells
The principle of these devices is based on the power effect of ferromagnetic core plates located in a magnetic field coil. The hollow cylindrical ferromagnetic core coil pulling hanging on the spring which caused the power steering. This principle is strongly reminiscent of the electromagnet, so these devices sometimes referred to as electromagnetic. Depending on the size of the current core is more or less pulling.
Application in practice
Ferromagnetic measuring instruments.