Electromagnetic Field Theory A Yagi antenna has a driven antenna Only With one or more directors With a reflector With a reflector and one or more directors Only With one or more directors With a reflector With a reflector and one or more directors ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A solid sphere made of insulating material has a radius R and has a total charge Q distributed uniformly in its volume. What is the magnitude of electric field intensity, E, at a distance r (o less than r less than R) inside the sphere 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). 3 Qr/(4 π εo R3). Q/(4 π εo r3). QR/(4π εo r3). Qr/(4 π εo R3). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. the number of their turns. all of above. permeability of core. cross sectional area of their common core. the number of their turns. all of above. permeability of core. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to voltage across the inductor. none of them. both (A) and (B). magnetic field. voltage across the inductor. none of them. both (A) and (B). magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says unique nature of atom. none of these. most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. unique nature of atom. none of these. most of the volume of an atom is empty space. the atoms can neither be created nor be destroyed. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in which of the following? Radio astronomy All of these Point-to-point communication TV broadcast Radio astronomy All of these Point-to-point communication TV broadcast ANSWER DOWNLOAD EXAMIANS APP
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