Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux linkage. rate of change of flux linkage. flux density of the magnetic field. amount of flux cut. amount of flux linkage. rate of change of flux linkage. flux density of the magnetic field. amount of flux cut. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now smaller sphere will have zero potential. larger sphere will have smalled potential. both of sphere will have same potential. larger sphere will have greater potential. smaller sphere will have zero potential. larger sphere will have smalled potential. both of sphere will have same potential. larger sphere will have greater potential. 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. 2.28 A. 18.08 A. 4.56 A. 9.04 A. 2.28 A. 18.08 A. 4.56 A. 9.04 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 3.75 N. 5 N. 2 N. 2.5 N. 3.75 N. 5 N. 2 N. 2.5 N. 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 1.26 V. 2.52 V. 1.31 V. 2.62 V. 1.26 V. 2.52 V. 1.31 V. 2.62 V. ANSWER DOWNLOAD EXAMIANS APP
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