bar magnet造句
1. Explore the interactions between a compass and bar magnet.
2. Bar magnet magnetic sense of line distribution.
3. The voltage pulse induced by a bar magnet as it moves at constant velocity through the axis of a circular coil is analyzed.
4. Explore the interactions between a compass and bar magnet, and then add the earth and find the surprising answer!
5. Each atom behaves like a tiny bar magnet , and when the crystal is cooled to near absolute zero, the atom-magnets align.
6. If the bar magnet is simply held stationary near the coil, no current is indicated.
7. A several of rubber bar magnet for DC micro-motor is discussed in this paper. And engineering tests is introduced which are needed in production of rubber bar magnets and micro-motors.
8. Magnetism of the bar magnet is produced by the surface molecule electric current.
9. If a bar magnet is thrown into a coil of high-resistance wire, it will slow down. why?
10. The bar magnet helps easily identify different magnetic poles, and has the advantages of convenient location and use.
11. The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
12. The inverse effect also occurs: a spinning bar magnet will cause a suspended copper disk to rotate.
13. Move a bar magnet near one or two coils to make a light bulb glow.
14. I once saw a woman whose job it was to make small bar magnets from steel blanks about two inches long.
15. Like the electron, the muon acts like a tiny bar magnet.
16. When the suitably insulated conductor is wound round a rod of soft iron it forms a bar magnet.
17. The action of the magnetic force moment and the magnetic force on the bar magnet in the magnetic field can be considered as that of wire circles through the magnetic field.
18. My 12 year old had a lesson in his science course later that day that mapped magnetic fields of a little bar magnet.
19. The form of the stable geomagnetic field is like that of a bar magnet at the center of the Earth.
20. My 12 year old had a lesson in his science course later that day that mapped magnetic fields of a little bar magnet. He showed me the results.
21. You've seen the pattern in science class when you laid bits of iron around a bar magnet.
22. This system adopts 16 bits MCU as the core control device to achieve a bar magnet exactitude measure of small range displacement.
23. The Earth’s magnetic field is roughly like that of a bar magnet, with two opposite poles.