Needles N_{1},N_{2},and N_{3} are made of a f | vedclass

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(B) The magnetic properties of materials determine their interaction with an external magnetic field:$1$. Ferromagnetic substances $(N_{1})$ are stron

Vedclass · Accepted Answer

Attract $N_{1}$ strongly,$N_{2}$ weakly,and repel $N_{3}$ weakly

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(B) The magnetic properties of materials determine their interaction with an external magnetic field:$1$. Ferromagnetic substances $(N_{1})$ are strongly attracted by a magnet.$2$. Paramagnetic substances $(N_{2})$ are weakly attracted by a magnet.$3$. Diamagnetic substances $(N_{3})$ are weakly repelled by a magnet.Therefore,when a magnet is brought close to these needles,it will attract $N_{1}$ strongly,attract $N_{2}$ weakly,and repel $N_{3}$ weakly.

Needles $N_{1}$,$N_{2}$,and $N_{3}$ are made of a ferromagnetic,a paramagnetic,and a diamagnetic substance,respectively. $A$ magnet when brought close to them will

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