Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Hollow rectangular walled room carrying electromagnetic wave Rectangular conducting wire to propagate electromagnetic waves Tube antenna to transmit and receive electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Hollow rectangular walled room carrying electromagnetic wave Rectangular conducting wire to propagate electromagnetic waves Tube antenna to transmit and receive electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s third law second law first law fourth law third law second law first law fourth law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field required to reduce the residual magnetism to zero is called Coercivity. Saturation magnetism. Hysteresis. Retentivity. Coercivity. Saturation magnetism. Hysteresis. Retentivity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which antenna is a wideband antenna? Hertz antenna Marconi antenna Folded dipole None of these Hertz antenna Marconi antenna Folded dipole None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a short circuit. open circuit. depends on polarity. depends on magnitude of voltage. short circuit. open circuit. depends on polarity. depends on magnitude of voltage. ANSWER DOWNLOAD EXAMIANS APP
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