Hal makes an electromagnet

with a 9-volt battery, wire, and
a steel rod. What is the
function of electric current in
his electromagnet? (1 point)
Electric current
determines the
strength of the magnet.
Electric current powers
the electromagnet.
Electric current creates
a magnetic field that
charges the rod.
Electric current attracts
or repels charged
objects.

1 answer

The correct answer is:

Electric current creates a magnetic field that charges the rod.

In an electromagnet, the flow of electric current through the wire creates a magnetic field, which magnetizes the steel rod.