Magnetism Question 196
For protecting a sensitive equipment from the external magnetic field, it should be enclosed in a magnetic shield or placed within a Faraday cage
[KCET 1993; CBSE PMT 1998]
Options:
A) Placed inside an aluminum cane
B) Placed inside an iron cane
C) Wrapped with insulation around it when current passes through it
D) Surrounded by fine copper sheet
Show Answer
Answer:
Correct Answer: B
Solution:
Concept of magnetic screening.
BETA
