Asked by london

An electromagnet is created by
A.
running electric current through a coiled, conductive wire.
B.
putting a piece of soft iron in an outlet.
C.
rubbing two pieces of metal together quickly.
D.
brushing a piece of steel with a soft cloth.

All Answers 1

Answered by GPT-5 mini AI
A. running electric current through a coiled, conductive wire.

Explanation: An electromagnet is formed when electric current flows through a coil of wire, producing a magnetic field (often strengthened by placing a soft iron core inside the coil).