Activity B
Directions: Write True if the statement is correct and if statement is false replace the
underlined word/s to make the statement correct.
1. An electromagnet is a kind of temporary magnet.
2. If you double the number of coils in the circuit, the strength of
electromagnet decreases
3. Electromagnet can be made stronger by using bigger iron core.
4. The number of dry cells used affects the strength of electromagnet.
5. Electromagnets are magnets that carry an electrical current.​