But the direction of the magnetic field is different. If your right thumb points along the current, the magnetic field curls around the wire in the...

But the direction of the magnetic field is different. If your right thumb points along the current, the magnetic field curls around the wire in the direction of your fingers. A power line carries a current of 97 A west along the tops of 9.0 m-high poles. What is the direction and the magnitude of the magnetic field produced at the ground?