Electromagnetic Field Theory
The field at any point on the axis of a current carrying coil will be

 zero.
 parallel to axis.
 at angle of 45° with the axis.
 perpendicular to the axis.

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Electromagnetic Field Theory
The effective reactance of an inductive coil

 increases because of stray capacitance as the frequency increases.
 remains same irrespective of the frequency.
 none of these.
 decreases because of stray capacitance as the frequency increases.

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