Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is 5 C. None of above. 40π C. 10 C. 5 C. None of above. 40π C. 10 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Square loop Conical horn Folded dipole Log-periodic Square loop Conical horn Folded dipole Log-periodic ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db 6 db 3 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in All of these Radio astronomy Point to point communication Tv broadcast All of these Radio astronomy Point to point communication Tv broadcast ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will increase. remain the same. decrease. initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP