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1 vote
What is required for an electromagnet to produce a magnetic field that is

strong enough to be useful?
A. A coil of wire with current running through it
B. A magnetic metal core with wire wrapped around it
C. A permanent magnet
D. A magnetic metal core
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User Nahsh
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5.6k points

1 Answer

4 votes

Answer:if you have different ans your may be a soleno with a current running though it.

Step-by-step explanation:

Ape.x

User Qris
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