Respuesta :
Decrease the distance between poles
Increase the area between poles
If you use coils, increase the turns of the coils will help too.
Increase the area between poles
If you use coils, increase the turns of the coils will help too.
Answer:
Wrap the coil around two steel nails.
Place the loops of wire close together.
Use two batteries instead of one battery in the electromagnet circuit.
Explanation: