Here you have a bar magnet and a coil of wire attached to an incandescent light bulb. Does the coil or the bar magnet appear to be creating the magnetic field? How can you verify this?

Here You Have A Bar Magnet And A Coil Of Wire Attached To An Incandescent Light Bulb Does The Coil Or The Bar Magnet Appear To Be Creating The Magnetic Field Ho class=

Answer :

The bar magnet appears to be creating a magnetic field - the compasses around it are pointing in directions that display a magnetic field