Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – z direction. z direction. y direction. – y direction. – z direction. z direction. y direction. – y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 2 N. 2.5 N. 3.75 N. 5 N. 2 N. 2.5 N. 3.75 N. 5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is increasing towards centre. none of above. decreasing towards centre. zero. increasing towards centre. none of above. decreasing towards centre. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is depend upon Electron density of the ionospheric layer 11 year sun spot cycle Height of ionospheric layer Received frequency by receiver Electron density of the ionospheric layer 11 year sun spot cycle Height of ionospheric layer Received frequency by receiver 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 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. None of these. ANSWER DOWNLOAD EXAMIANS APP
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