Question

If an electromagnet is made using a battery circuit and a steel nail, how can its magnetic strength increase? 1-wrap more coils of wire around the nail 2-use a longer nail 3-remove the plastic insulation from the wire coil 4-replace the nail with a copper rod

Answer 1

Answer: A 1

Skksls

Step-by-step explanation:

Answer 2

Answer:1-wrap more coils of wire around the nail

Explanation:I took the test:) Hope

this helps!