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A magnet is cut into four equal parts length wise. How will the pole strength of the new pieces compare with the pole strength of the original magnet
Question

A magnet is cut into four equal parts length wise. How will the pole strength of the new pieces compare with the pole strength of the original magnet ?

A.

Each new piece will have the same pole strength as the original.

B.

The pole strength of each new piece will be one-fourth of the original.

C.

The pole strength of each new piece will be half of the original.

D.

The pole strength of each new piece will be four times the original.

Correct option is B

Th correct answer is The pole strength of each new piece will be one-fourth of the original.
The pole strength of each new piece will be one-fourth of the original. When a magnet is cut into parts along its length, the pole strength of each part becomes a fraction of the original magnet’s pole strength.
In this case, since the magnet is divided into four parts, the pole strength of each piece would be one-fourth of the originals.

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