Recent content by marier4him

I tried the thin wire first, but I'll rewrap and try again. Maybe the windings weren't tight enough.

The battery gets very warm almost hot. I've tried an insulated wire with a solid copper core a little tough to wind, but doable. I also tried an insulated copper wire made of strands. I don't think our big box stores sell iron nails. I covered almost the whole nail in windings.

and thanks for trying to help.

It's only picking up 6 paperclips. I don't know how to check the resistance of the wire and I don't have an ammeter. The nail is 6" and steel. How much of the of the nail should be covered with the windings?

Homework Statement Hi, I've been trying to figure this out for days. I've wrapped an insulated wire that I got at Lowe's around a large metal nail. I then connected it to a knife switch and a 9v battery (per the directions). The nail is supposed to pick up 30 paperclips. I've tried wrapping...