Electromagnetic Field Theory
In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t)

 (103/377) cos(ωt - β z)(-ux) A/m.
 None of above.
 (103/377) sin(ωt - β z)(ux) A/m.
 (103/377) sin(ωt - β z)(-ux) A/m.

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Electromagnetic Field Theory
The effective reactance of an inductive coil

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

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