3. A long, straight conductor carries a current of 8.0 A and is What is the magnitude of the magnetic field produced by the wire 2.0 m from the wire? (See figure below) Draw the mag determine the direction of the field at the specified point P. TH CY AS RICH AKENT OF EDTAIL A 4. Two current-carrying loops are arranged so that they form conce ric circle in the figure below. The bigger loop (radius = 0.80 m) has a 5:00 A-d urrent p through it. The smaller loop has a radius of 0.40 m. Draw the mag different colors) produced by each current carrying loop. Determin current in the inner loop so that the resulting net magnetic field at the cent- concentric loops will be zero (Hint: This will only happen when the direction magnetic field produced by each loop are opposite in direction)