Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. J = σE. R = ρ × ( l / A). V = IR. J = E / σ. J = σE. R = ρ × ( l / A). V = IR. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Microwave frequency Low frequency High frequency Medium frequency Microwave frequency Low frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 2.5 3.5 4.5 1.5 2.5 3.5 4.5 1.5 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. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. change in physical dimensions of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in permeability of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory 1 Maxwell is the same as 10-4 weber. 10-8 weber. 10-8 weber. 104 weber. 10-4 weber. 10-8 weber. 10-8 weber. 104 weber. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 20 N. 3.75 N. 7.5 N. 15 N. 20 N. 3.75 N. 7.5 N. ANSWER DOWNLOAD EXAMIANS APP