Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A dipole. A quardra pole. Both of A and B. A monopole. A dipole. A quardra pole. Both of A and B. A monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Low frequency Microwave frequency High frequency Medium frequency Low frequency Microwave frequency High frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. Due to transformer only. Zero. Due to both rotating and transformer action. Due to rotating only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will remain in stable equilibrium. will move out of the field of influence of two charges. not be equilibrium. be in unstable equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. not be equilibrium. be in unstable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
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