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What is the name for a coiled wire that is wrapped around an iron core of the electromagnet?

A. Generator
B. Solenoid
C. Motor
D. Transformer


Sagot :

Answer:

B. Solenoid

Explanation:

Likewise, what has to happen in a coil of wire wrapped around a block of iron before it becomes an electromagnet? An electromagnet is a coil of wire with an electric current flowing through it. When the wire is coiled around in a cylinder, we call this a solenoid. The solenoid becomes an electromagnet when a current flows through it.