Electromagnetic Field Theory A Yagi antenna has a driven antenna With one or more directors With a reflector and one or more directors With a reflector Only With one or more directors With a reflector and one or more directors With a reflector Only 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. decrease. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. 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. phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A dipole. Both of A and B. A quardra pole. A monopole. A dipole. Both of A and B. A quardra pole. A monopole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 1666.22 N. 3332.47 N. 832.29 N. 6664.8 N. 1666.22 N. 3332.47 N. 832.29 N. 6664.8 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Point-to-point communication TV broadcast All of these Radio astronomy Point-to-point communication TV broadcast All of these Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
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