Which action must you take before starting to make an electromagnet out of
connecting wires, a battery, an ammeter, and a magnetic core wrapped in
wire?
OA. Wrap the battery with insulated wire.
B. Remove the insulation from the ends of the connecting wires.
OC. Cover the ammeter with the same insulation that is on the wires.
D. Remove the wire that is wrapped around the magnetic core
material.
SUBMIT
