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The tiny magnetic effect of atoms within a domain is due to electrons that are

Apaired and spinning in opposite directions
Bunpaired and spinning in the same direction
Cunpaired and spinning in opposite directions
Dnot spinning

Verified Answer :

For magnetic effect, electrons must be unpaired and spin in same direction.

If electrons are spinning in same direction, they'll pair and hence no magnetic field will generate.

Hence in your question, they must be of same spinning to avoid pairing.

Hope this helps!


Answer:

D) all of the unpaired electrons spinning in the same direction.  

Explanation:

D) all of the unpaired electrons spinning in the same direction.