Question

If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magnetic strength?

Use a longer nail.


Wrap more coils of wire around the nail.


Replace the nail with a copper rod.


Remove the plastic insulation from the wire coil.
I would like a little help with this please

Answer 1

B. Wrap more coils of wire around the nail

Increasing the number of coils in an electromagnet increases the strength of the magnetic field.

Step-by-step explanation: