Q. To shield an instrument from external magnetic field, it is placed inside a cabin made of

A) Wood
B) Ebonite
C) Iron
D) Diamagnetic substance
Explanation

(c) Cabin must be made of iron, which has large permeability.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.