In most small electric motors, the magnets that are around the central rotor (the field magnets) are the magnet in the center is a(n)
a) horseshoe magnets, bar magnet
b) bar magnets, horseshoe magnet
c) electromagnets, permanent magnet
d) permanent magnets, electromagnet

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine