Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 4.15 db 6 db 2.15 db 3 db 4.15 db 6 db 2.15 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 5.25m. 6.25m. 0.5m. 0.6m. 5.25m. 6.25m. 0.5m. 0.6m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at the ground surface. lower surface of the conductor. upper surface of the conductor. midway between the conductor and ground. the ground surface. lower surface of the conductor. upper surface of the conductor. midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 106. 2 × 10-8. 2 × 108. 2 × 10-6. 2 × 106. 2 × 10-8. 2 × 108. 2 × 10-6. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is depends on magnetic movements inside the closed surface. zero. infinite. depends on magnetic movements outside the closed surface depends on magnetic movements inside the closed surface. zero. infinite. depends on magnetic movements outside the closed surface ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. ANSWER DOWNLOAD EXAMIANS APP