A. reduced self-demagnetization
B. cancel the effect of the earth’s magnetic field
C. protect the magnet from stray electric field
D. increase the strength of the magnets
Correct Answer: Option A
A. reduced self-demagnetization
A. reduced self-demagnetization
B. cancel the effect of the earth’s magnetic field
C. protect the magnet from stray electric field
D. increase the strength of the magnets
Correct Answer: Option A
A. reduced self-demagnetization
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