Recent content by highbury1991

this is for sure that we're going to feel a buzzing sensation when a metal bar is placed inside an electromagnet, since this is what the question states. But the whole thing really confuses me. What is placed "inside" an electromagnet... the centre of the electromagnet is a solid iron bar, the...

the former is dc and the latter ac. you mean the current changes direction inside the electromagnet? the current source I used was a dc one, though

you mean that the current reverses direction? I can't really see why...

Hi thanks for your reply. I understand that the force is created by the magnetic field due to the current. However, the nail is this case is placed inside the electromagnet, I'm not sure why then there will be a buzzing (vibrating) feeling. Can you elaborate on that a bit more please? Thanks!

Homework Statement A nail is placed inside an electromagnet, why do we feel a buzzing sensation? Homework Equations The Attempt at a Solution Is it because of resonance? Can someone please explain? Thanks!