To protect a material from the influnce of an e... - JAMB Physics 2004 Question
To protect a material from the influnce of an external magnetic field, the materials should be kept
A
square steel ring
B
triangular zinc ring
C
soft iron ring
D
loop of copper wire
correct option: c
In order to protect a material from the influence of an external magnetic field, the material is placed in a soft iron ring, usually referred to as magnetic screening.
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