1: Multiple Choice: Please read each item carefully. Encircle the letter of your answer.
1. It is a temporary magnet that may be produced by making electricity flow through wire
coiled around an iron nail.
a. Circuit
c. Electricity
b. Electromagnet
d. Magnet
2. Why is the wire used in an electromagnet coiled?
a. It has more force
c. it controls the flow of electricity.
b. It makes the electromagnet stronger
d. it is for aesthetic purposes.
3. Which of the following objects can attract to magnet?
Steel
c. Paper
b. Candle
d. Slipper
4. The following are some examples of electromagnet EXCEPT
a. Generators
c. Tables
b. Cranes
d. Motors
5. Electromagnet are used in transmitting signals through.
a. Radio
c. Telephones
b. Television
d. All of the above
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