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KCET 2018 Physics Solved Paper
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© examsnet.com
Question : 8
Total: 60
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
Attract all three of them
Attract
N
1
strongly ,
N
2
weakly and repel
N
3
weakly
Attract
N
1
strongly but repel
N
2
and
N
3
weakly
Attract
N
1
and
N
2
strongly but
N
2
repel
N
3
Validate
Solution:
Given,
N
1
is ferromagnetic;
N
2
is paramagnetic;
N
3
is diamagnetic.
Therefore,
N
1
is attracted strongly by magnet.
N
2
is attracted weakly by magnet.
N
2
is weakly repelled by magnet.
© examsnet.com
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