i do have a electromagnet at hand..now is the circuitry to change the direction and strength of the field..
i have a toggle switch and a slider resistor..i have access to a lot of others if need b...thanx for all the help so far!
I'm a mechanical engineering student but I'm tasked to do up a electromagnet circuit..any help willl be greatly appreciated!
I need to be able to vary the strength and direction of the field of the electromagnet. I have absolutely no idea how to go about doing this because i almost never...