You wrap a wire around a piece of iron. If you slowly increase the strength of an electric current flowing through the wire, you would expect
the magnet to become stronger
the magnet to stop producing a field
the wire to move
the wire to unwrap

Question

You wrap a wire around a piece of iron. If you slowly increase the strength of an electric current flowing through the wire, you would expect
the magnet to become stronger
the magnet to stop producing a field
the wire to move
the wire to unwrap

anonymous · Answer

i need help please, i really need to pass my class :(

anonymous · Answer

If you increase the current, you increase the strength of the magnet!

anonymous · Answer

thanks so much...mind helping me on another one??