Question

Which factor has the greatest effect on the strength of an electromagnet?

A. The position of the ammeter in the circuit
B. The distance between the battery and the electromagnet
C. The type of insulation that covers the wire
D. The number of coils of wire around the core

Answer 1

d

Step-by-step explanation:

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Answer 2

The number of coils of wire around the core

Step-by-step explanation:

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