Question

A construction worker uses an electrical device to attract fallen nails and sharp objects

from a construction site. What is causing the attraction of the metal objects?
O An electrical wave oscillating perpendicular to the electrical device.
O An electrical charge radiating perpendicular to the wire
O Amagnetic wave radiating perpendicular to an electrical device
O A magnetic wave and electrical current moving in opposite directions

Answer 1

is the last one, a magnetic wave and electrical current moving in opposite directions

Step-by-step explanation:

opposite directions always attract in magnetic waves and fields