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Question 49

Soft iron is used in making the armature of an electric bell because it

  • A.retains its magnetism for a longtime
  • B.Loses its magnetism readily
  • C.Produces permanent magnets
  • D.is not easily magnetised
  • E.decreases the magnetic effect of a direct current
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1996
Question no.
#49
Type
Objective
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