Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Very high Infinite Very low Zero Very high Infinite Very low ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Maxwell Fleming Lenz Faraday Maxwell Fleming Lenz Faraday ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 4.15 db 6 db 3 db 2.15 db 4.15 db 6 db 3 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory 1 Tesla = 1 wb . 1 wb- m2. 1 wb/m. 1 wb/ m2. 1 wb . 1 wb- m2. 1 wb/m. 1 wb/ m2. ANSWER DOWNLOAD EXAMIANS APP
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