Electromagnetic Field Theory
A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be

 parallel to the plane of the wire.
 parallel to half portion and perpendicular for the other half.
 none of above.
 perpendicular to the circumference of the wire.

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Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at

 Midway between the conductor and ground.
 The upper surface of the conductor.
 The ground surface.
 The lower surface of the conductor.

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