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 Ex = Ey = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. Ex = Ey = 0, By = Bz = 0. None of these. Ex = Ey = 0, Bx = By = 0. Ey = Ez = 0, By = Bz = 0. 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 A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Voltage applied across a dielectric produces an electrostatic field 50 times greater than air. The dielectric constant of the dielectric will be 50. 10. 5. 20. 50. 10. 5. 20. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to Permeability. √(σ). 1/√σ. Frequency. Permeability. √(σ). 1/√σ. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exists between the conductor and the ground. The maximum electric stress occurs at upper surface of the conductor. lower surface of the conductor. the ground surface. midway between the conductor and ground. upper surface of the conductor. lower surface of the conductor. the ground surface. midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
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