Question

Cobalt and nickel are

• A. magnetic materials
• B. non-magnetic materials
• C. electrical materials
• D. none of these

Answer 1

The correct option is A

magnetic materials

Explanation of correct option:

(a) The materials that can be easily magnetized are magnetic materials.

These materials are also attracted to magnets. Example: Iron, nickel, cobalt, etc.

Explanation of incorrect option:

(b) The materials that cannot be easily magnetized are non-magnetic materials.

(c) The materials that allow the flow of electrons through them are known as electrical materials.

Thus, the correct option is (a) magnetic materials.