Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. high resistivity. high hysteresis coefficient. large coercivity. small B-H loop area. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional Highly directional None of these A figure of directional Omnidirectional Highly directional None of these A figure of directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 50 V. 75 V. 100 V. 25 V. 50 V. 75 V. 100 V. 25 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Retentivity. Saturation magnetism. Coercivity. Hysteresis. Retentivity. Saturation magnetism. Coercivity. Hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop antenna is a commonly used for Radar Direction finding Satellite communication All of these Radar Direction finding Satellite communication All of these ANSWER DOWNLOAD EXAMIANS APP
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