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1. What are the parts of an electromagnet?
a.
b.
C.
2. Factors that affect the strength of an electromagnet.
a.
b.
C.
3. Examples of appliances used in school & home that made up of electromagnet. a.
b.
C.
1. What are the parts of an electromagnet?
a.
b.
C.
2. Factors that affect the strength of an electromagnet.
a.
b.
C.
3. Examples of appliances used in school & home that made up of electromagnet. a.
b.
C.
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Answer:
1.
A. Iron core
B. Copper wire
C. Electricity sorce
2.
A. The loop count
B. The current
C. the wire size, and the presence of an iron core.
3.
A. Microphones
B. telephones
C. loudspeakers.
Explanation:
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