Electromagnetic Field Theory The static electric field in a conductor is Zero Unity None of these Infinity Zero Unity None of these Infinity ANSWER DOWNLOAD EXAMIANS APP
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 The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. 20 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 150 V. 37.5 V. 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. both a and b. high permeability. low hysteresis loss. low permeability. both a and b. high permeability. low hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. group velocity. normal velocity. phase velocity. velocity of propagation. group velocity. normal velocity. phase velocity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS