Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. attractive. none of above. zero. repulsive. attractive. none of above. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n. k = 0. n × k = 0. n = K. n = - k. n. k = 0. n × k = 0. n = K. n = - k. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 76.4 N. 76400 N. 764 N. 7640 N. 76.4 N. 76400 N. 764 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? At waveguide can be coupled to a coaxial cable At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves Waveguides can handle large power at UHF and microwaves ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6ε. Q / 6. Q / 4π. 4πQ / 6ε. Q / 6ε. Q / 6. Q / 4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) sin(ωt - β z)(ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
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