A long, straight wire carrying a current of 305 A is placed in a uniform magnetic fi eld that has a.
A long, straight wire carrying a current of 305 A is placed in a uniform magnetic fi eld that has a magnitude of 7.00 × 10−3 T. The wire is perpendicular to the fi eld. Find a point in space where the net magnetic fi eld is zero. Locate this point by specifying its perpendicular distance from the wire. Q1424 Two circular coils are concentric and lie in the same plane. The inner coil contains 140 turns of wire, has a radius of 0.015 m, and carries a current of 7.2 A. The outer coil contains 180 turns and has a radius of 0.023 m. What must be the magnitude and direction (relative to the current in the inner coil) of the current in the outer coil, so that the net magnetic fi eld at the common center of the two coils is zero? Apr 25 2022 08:07 PM
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