Read each question carefully. Write the letter of the correct answer on the
space provided.
11. What happens when one end of a coiled wire is disconnected?
A. There is an increase in strength in magnetism.
B. The electromagnet becomes permanent.
C. It loses magnetism.
D. The electricity still flowing on the nail.
12. Which among the four is not part of an electromagnet?
A. the wire coil
B. the dry cell
C. the nail
D. pins as the object attracted by the electromagnet​