📝 Multiple Choice Question
General-science
Which among the following is used in 'Making' permanent magnets?
A
soft iron
B
steel
C
aluminum
D
copper
Explanation
Steel or Alnico alloys are used for permanent magnets because they have high retentivity and coercivity.
Report Issue
Discussion (0 Comments)
Leave a Comment
No comments yet. Be the first to comment!
📌 Related Questions
Which element is added to 'Steel' to make it stainless?...
Solve →The 'Aqua Regia' is a mixture of concentrated HCl and concentrated HNO...
Solve →The 'Avogadro's Number' represents the number of particles in:...
Solve →The iodine value of oil and fat indicates:...
Solve →Which substance is commonly added to tap water to make it safe for dri...
Solve →