Question

the material which is not suitable for making a permanent magnet
A) Steel
B)
Ticonal
C) Lead 1
D) Alnico​

Answer 1

Explanation:

your corret answer is alnico

Answer 2

The material which is not suitable for making a permanent magnet  is Alnico.

Option (D) is correct.

Explanation:

The material which is not suitable for making a permanent magnet  Alnico.

A) Steel

B)  Ticonal

C) Lead

D) Alnico​

The reason is that Alnico is an alloy.

• It is an iron alloy with aluminum, nickel and cobalt.
• Alnico alloys make strong permanent magnets. Therefore it is not suitable for making permanent magnets.