Electromagnetic Field Theory
An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor.

 9.04 A.
 18.08 A.
 4.56 A.
 2.28 A.

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Electromagnetic Field Theory
Which of the following statement is correct for divergence of electric and magnetic flux densities?

 It is zero for the electric flux density.
 Both are zero.
 These are zero for static densities but non zero for time varying densities.
 It is zero for the magnetic flux density.

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