Question

Electromagnets are used to remove nickel from a scrap of copper, zinc and nickel.

• A. True
• B. False

Answer 1

The correct option is A True

1. The substances that can be easily magnetised and are attracted to magnets are known as magnetic materials.
2. Cobalt, nickel, and iron are some magnetic materials.
3. An electromagnet is a magnet made by keeping it in an electric field.
4. So, when an electromagnet is put over a scrap of copper, zinc and nickel it will attract nickel and leave copper and zinc as they are non-magnetic substances.

Hence, the given statement is true.