Related MCQs

• Consider two fields <br>E = 120 cos (10⁶ t x) a_y V/m <br>and H = A cos (10⁶ t x) a_z A/m <br>The values of A and which will satisfy the Maxwell's equation in a linear isotropic homogeneous lossless medium with _r = 8 and _r = 2 will be <br><table width="400px" border="0"><tr><td>A (in A/m)</td><td> (in rad/m)</td></tr><tr><td>A. 1</td><td>0.0105</td></tr><tr><td>B. 1</td><td>0.042</td></tr><tr><td>C. 2</td><td>0.0105</td></tr><tr><td>D. 2</td><td>0.042</td></tr></table>
• A plane wave is characterised by this wave is <br><table><tr><td> </td><td></td><td>^</td><td>^</td></tr><br><tr><td> E = </td><td>(0.5</td> <td>x +</td><td>x</td><td>E^{j /2})</td><td>e^{j t jk2}</td></tr></table>
• The phase velocity for the TE₁₀ mode in an air filled rectangular waveguide is
• A material has conductivity of 10² mho/m and a relative permittivity of 4 the frequency at which conduction current in the medium is equal to the displacement current is
• The dominant mode in a rectangular waveguide is TE10 because this mode has
• 8-point charges of 1 nc each are located at the corners of a cube in free space that is 1 m on a side, then E at the centre is
• If a plane electromagnetic wave satisfies the equation<br><table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> ²E_x</center></td><td rowspan="2"> = e²</td> <td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> ²E_x</center></td></tr><tr><td style="text-align: center;"> z²</td><td style="text-align: center;"> t²</td></tr></table><br>the wave propagates in
• A stub having load impedance Z_L and stub length / 2 then input impedance Z_in is
• A uniform plane wave travelling in air is incident on the plane boundary between air and another dielectric medium with _r = 4. The reflection co-efficient for the normal incidence is
• A uniform place wave in air impinges at 45 angle on a lossless dielectric material with dielectric constant _r. The transmitted wave propagate in a 30 direction with respect to the normal the wave of _r is