Electromagnetic Field Theory
________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field.

 Electric flux.
 Magnetic flux density.
None of these
 Electric intensity.

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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

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

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Electromagnetic Field Theory
If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then

 the net force and torque on the coil are both zero.
 the net force is zero but torque is finite.
 the net force is finite but torque is zero.
 the net force and torque are both finite.

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