Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. ANSWER DOWNLOAD EXAMIANS APP
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. 18.08 A. 9.04 A. 2.28 A. 4.56 A. 18.08 A. 9.04 A. 2.28 A. 4.56 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. both a and b. low hysteresis loss. high permeability. low permeability. both a and b. low hysteresis loss. high permeability. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 2 A/m. 8 A/m. 4 A/m. 1 A/m. 2 A/m. 8 A/m. 4 A/m. 1 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.62 V. 2.52 V. 1.31 V. 1.26 V. 2.62 V. 2.52 V. 1.31 V. 1.26 V. ANSWER DOWNLOAD EXAMIANS APP
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