Question

question 4 of 30 which statement best describes what would happen if a piece of iron were placed inside the coil of an electromagnet? a. the magnetic field would decrease. b. the electromagnet would stop working until the iron was removed. c. the magnetic field would not change. d. the magnetic field would increase.

Explanation:

An electromagnet's magnetic field is enhanced by a ferromagnetic core like iron, as iron amplifies the magnetic effect when placed inside the coil.

Answer:

D. The magnetic field would increase.