II. Read the statement then write True if the statement is correct and False if it is wrong.

16. Electromagnet is made up of an iron core, copper wire and source of electricity. *

True

False

17. Electromagnet is a permanent magnet. *

True

False

18. Large number of closely spaced turns of wire creates the magnetic field. *

True

False

19. The number of batteries may affect the strength of electromagnet. *

True

False

20. Electromagnet can be made stronger. *

True

False
pls po help me need ko po to parang awa nyo na pls pls​