Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – z direction. y direction. z direction. – y direction. – z direction. y direction. z direction. – y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as Phase shifter An attenuator An isolator None Phase shifter An attenuator An isolator None ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = b a = b/4 a = 2b a = 3b a = b a = b/4 a = 2b a = 3b 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 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is zero. Bil cosθ. BIL. Bil sinθ. zero. Bil cosθ. BIL. Bil sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. ANSWER DOWNLOAD EXAMIANS APP
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