A straight long conductor carries current along the positive -axis

PHYSICS · Single correct · CBSE · Physics · Magnetic Effects of Electric Current · Magnetic Effects of Electric Current

Problem

A straight long conductor carries current along the positive xx-axis. Identify the correct statement related to the four points A(a,a,0)A(a,a,0), B(a,0,a)B(a,0,a), C(a,−a,0)C(a,-a,0), and D(a,0,−a)D(a,0,-a). (a) The magnitude of magnetic field at all points is the same (b) Fields at AA and BB are mutually perpendicular (c) Fields at AA and CC are antiparallel (d) All of the above

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