Electromagnetic Field Theory The frequency range for satellite communication is 3 to 30 kHz 30000 to 300000 MHz 300 to 3000 kHz 3000 to 30000 MHz 3 to 30 kHz 30000 to 300000 MHz 300 to 3000 kHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Retarded Totally retarded Accelerated Neither accelerated nor retarded Retarded Totally retarded Accelerated Neither accelerated nor retarded ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric flux. None of these Magnetic flux density. Electric intensity. Electric flux. None of these Magnetic flux density. Electric intensity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Use of larger section of conductor Top loading of antenna Any of the above Providing insulation on conductor Use of larger section of conductor Top loading of antenna Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect None of these Charge per unit area becomes very high for lightening to discharge Dust particles may not accumulate Rain drops may not collect ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave ANSWER DOWNLOAD EXAMIANS APP
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