Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as coulomb. micro - coulomb. pico - coulomb. milli - coulomb. coulomb. micro - coulomb. pico - coulomb. milli - coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Inductor. Condenser. Capacitor. Variable Resistor. Inductor. Condenser. Capacitor. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. amount of flux cut. flux density of the magnetic field. amount of flux linkage. rate of change of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave magnetic field is represented by Bx = cos(y – ct). The electric and magnetic fields will be zero in the direction None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. None of these. Ex = Ey = 0, By = Bz = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, Bx = By = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna 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 Only With a reflector and one or more directors ANSWER DOWNLOAD EXAMIANS APP
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