Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db 3 db 6 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The transmitting antennas for lower frequencies (below 500 kHz) are generally Any of the above Parabolic reflector type Horizontal suspended wire type Vertical grounded wire type Any of the above Parabolic reflector type Horizontal suspended wire type Vertical grounded wire type ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 50. 5. 10. 20. 50. 5. 10. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. Electric current. Electric fields. 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 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. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 60° to the direction of field. 75° to the direction of field. 45° to the direction of field. 30° to the direction of field. 60° to the direction of field. 75° to the direction of field. 45° to the direction of field. 30° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
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