How can the magnetic properties of an electromagnetic be controlled?
A. by changing the core of the magnet to iron, cobalt, or nickel
B. by increasing the loops of wire around the core
C. by changing the flow of the electric current
D. all of the above

Question

How can the magnetic properties of an electromagnetic be controlled?
	A.	by changing the core of the magnet to iron, cobalt, or nickel
	B.	by increasing the loops of wire around the core
	C.	by changing the flow of the electric current
	D.	all of the above

poofypenguin · Answer

I think it's D. all of the above.

anonymous · Answer

okay thnk u