Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Infinite Very low Zero Very high Infinite Very low Zero Very high 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. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Tv broadcast Radio astronomy Point to point communication All of these Tv broadcast Radio astronomy Point to point communication All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Zero. Null vector. E. | E |. Zero. Null vector. E. | E |. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. ANSWER DOWNLOAD EXAMIANS APP