SCIENCE: Direction: Read the situation below. Answer the question. Choose the letter of the best answer
1. You are going to construct an electromagnet, which of the following materials will you need.
A. dry cell
C. wire
B. iron nail
D. all of these
2. The following are all needed in constructing a simple electromagnet, which is NOT?A. thread
C. wire
B. nail
D. battery
3. In an electromagnet, which of the following serves as the conductor of electricity?
A. battery
B. coil of wire
C. core
D. both A and B
4. Which one of the following is NOT a part of an electromagnet?
A. the wire coil
B. the nail as the core
C. the dry cell cell as the source of electricity
D. pins, clips, and needles attracted by an electromagnet
5. What happens when a part of an electromagnet is disconnected?
A. It loses its magnetism.
B. Electricity continues to flow through it.
C. The electromagnet becomes a permanent magnet.
D. There is an increase in the number of materials attracted.

sorry kung Ang 1-3 na a,b,c at d ay a,c,b at d​