Question

Which of the following is a non-magnetic substance?

• A. iron
• B. nickel
• C. cobalt
• D. copper

Answer 1

The correct option is D

copper

Explanation for correct option:

Option (D)

1. A magnet is an object that can attract things made up of iron, cobalt, nickel, or alloys.
2. Magnetic substances are those substances that are attracted by the magnet.
3. Objects made up of Copper can not be attracted by a magnet and are called non-magnetic material.

Explanation for incorrect option:

Option (A)

Objects made up of Iron are attracted by a magnet. As it is a magnetic material.

Option (B)

Objects made up of nickel are attracted by a magnet. As it is a magnetic material.

Option (C)

Objects made up of cobalt are attracted by a magnet. as this is a magnetic material.

Thus, option (D) is the correct option.