Magnetic can be protected against self-demagnetisation by keeping… - Vidyadip

MCQ

Magnetic can be protected against self-demagnetisation by keeping the two magnets

A
with their similar poles on the same side and soft iron keeper in between
✓
with their opposite poles joined with soft iron keepers and a wooden piece in between the two
C
at angles to each other
D
over each other lengthwise.

✓

Answer

Correct option: B.

with their opposite poles joined with soft iron keepers and a wooden piece in between the two

B

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