Electromagnetic Field Theory Which of the following is zero in relation to electromagnetic fields? Div curl A. Div grad V. Curl curl A. Grad div A. Div curl A. Div grad V. Curl curl A. Grad div A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Diminishing wavelength than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength Larger frequency than in the free space Diminishing wavelength than in the free space Larger wavelength than in the free space Group velocity inversely proportional to wavelength ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is depends on magnetic movements outside the closed surface zero. depends on magnetic movements inside the closed surface. infinite. depends on magnetic movements outside the closed surface zero. depends on magnetic movements inside the closed surface. infinite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz 300 to 3000 kHz 30000 to 300000 MHz 3000 to 30000 MHz 3 to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves Waveguides can handle large power at UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves Waveguides can handle large power at UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections At waveguide can be coupled to a coaxial cable ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as self inductance. mutual inductance. capacitance. series aiding inductance. self inductance. mutual inductance. capacitance. series aiding inductance. ANSWER DOWNLOAD EXAMIANS APP