A bar magnet was cut into two pieces initially; Again, each of these new pieces was cut into two more pieces, and this process was repeated once more. Then,___ is the number of north poles.
A
1
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B
4
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C
8
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D
16
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Solution
The correct option is C 8 First cut: 2 north and 2 South Poles.
Second cut: Each of the two pieces were cut into two more pieces.
So, 4 North Poles and 4 South Poles.
Third cut: Each of the 4 pieces is cut into two more pieces.