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JEE Main 2006

Exam: JEE Main
Year: 2006
Subject: Physics
Chapter: Magnetic Properties of Matter

JEE Main 2006 · Physics · Magnetic Properties of Matter

Needles N_1, ~N_2 and N_3 are made of a ferromagnetic, a...

Needles

\mathrm{N}_1, \mathrm{~N}_2

and

\mathrm{N}_3

are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will

Options

Aattract all three of them
Battract $\mathrm{N}_1$ and $\mathrm{N}_2$ strongly but repel $\mathrm{N}_3$
Cattract $\mathrm{N}_1$ strongly, $\mathrm{N}_2$ weakly and repel $\mathrm{N}_3$ weakly
Dattract $\mathrm{N}_1$ strongly, but repel $\mathrm{N}_2$ and $\mathrm{N}_3$ weakly

Correct answer

C. attract $\mathrm{N}_1$ strongly, $\mathrm{N}_2$ weakly and repel $\mathrm{N}_3$ weakly

Step-by-step solution

attracts

\mathrm{N}_1

strongly,

\mathrm{N}_2

weakly and Repel

\mathrm{N}_3

weakly

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