Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Along the axis of the magnetic field. Anywhere. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. Along the axis of the magnetic field. Anywhere. At an angle of 45° to the axis of the magnetic field. At right angles to the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Low frequency High frequency Medium frequency Microwave frequency Low frequency High frequency Medium frequency Microwave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna Only With a reflector and one or more directors With one or more directors With a reflector Only With a reflector and one or more directors With one or more directors With a reflector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to total charge enclosed by the surface. Equal to volume change density. Zero. Equal to the surface charge density. Equal to total charge enclosed by the surface. Equal to volume change density. Zero. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 225. 250. 145. 150. 225. 250. 145. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 2.15 db 4.15 db 6 db 3 db 2.15 db 4.15 db 6 db ANSWER DOWNLOAD EXAMIANS APP
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