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. 50 W. 25 W. 15 W. 20 W. 50 W. 25 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Scalar None of these Unit vector Vector Scalar None of these Unit vector Vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is - 2 C/m3. - 4 C/m3. - 8 C/m3. 0 C/m3. - 2 C/m3. - 4 C/m3. - 8 C/m3. 0 C/m3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Saturation magnetism. Coercivity. Retentivity. Hysteresis. Saturation magnetism. Coercivity. Retentivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 0 V. 200 V. 1800 V. 900 V. 0 V. 200 V. 1800 V. 900 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 4.15 db 2.15 db 3 db 6 db 4.15 db 2.15 db 3 db ANSWER DOWNLOAD EXAMIANS APP
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