Magnetism Question 138
Question: Which of the following is most suitable for the core of electromagnets
[AIIMS 1980; NCERT 1980; AFMC 1988; CBSE PMT 1990]
Options:
A) Soft iron
B) Steel
C) Copper-nickel alloy
D) Air
Show Answer
Answer:
Correct Answer: A
Solution:
Soft iron is highly ferromagnetic.