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PHYSICS

JAMB 2004 - Question 46

Physics 2004 JAMB Past Questions - Question 46: To protect a material from the influence of an external magnetic field, the material should be kept in a

Choose the most appropriate option for the gap .

To protect a material from the influence of an external magnetic field, the material should be kept in a

A: square steel ring

B: triangular zinc ring

C: soft iron ring

D: loop of copper wire.

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Correct Answer

Explanation

in order to protect a material from the influence of an external magnetic field, the material is placed in a soft ring, usually referred to as magnetic screening.