Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very high Very low Zero Infinite Very high Very low Zero ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is none of these. 10π coulombs. 40π coulombs. 80π coulombs. none of these. 10π coulombs. 40π coulombs. 80π coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. – 360 πuz v/m. – 10 uz v/m. – 72 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2 N. 3.75 N. 5 N. 2.5 N. 2 N. 3.75 N. 5 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. all of above. permeability of core. the number of their turns. cross sectional area of their common core. all of above. permeability of core. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.4 π V. Zero. 0.8 π V. 8 π V. 0.4 π V. Zero. 0.8 π V. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
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