Yep, all you got to do is get some copper wire and a 9 volt battery, and wrap the wire repeatedly around the metal part of the screwdriver, and connect the wire one end to the positive terminal of the battery, the other to the negative end, then let it sit for an hour or two and the screwdriver will now be able to better grip screws and such.
He wound wire around it to make a tranformer.
NO, even on a flat screwdriver the end is not sharp enough to chisel. If you make it sharp, then it loses it's value as a screwdriver.
u need 2 provide more information"Which of these materials would be best to use for the core in order to make the strongest electromagnet to?"u need to provide what "these materials" are
how to make road rail signal using electromagnet
electromagnetically
yes. but it also wastes energy as sound
High carbon steel
A Phillips screwdriver is a screwdriver for use with Phillips screws.
A Phillips screwdriver is a screwdriver for use with Phillips screws.
yes it does
No.
You use a screwdriver when you remove or fit screws in anything.