STUPIDSID
Attempt any four:
1 (a)
Point charges Q1=300° C located at (1,-1,3)m experiences a force \[ \overline{F1}=\overline{8ax}-\overline{8ay}+\overline{4az} N\] due to point charge Q2 at (3,-3,-2)m. Determine Q2.
5 M
1 (b)
Explain isotropic, omnidirectional and directional antenna with suitable examples.
5 M
1 (c)
Compare MOM, FEM and FDM.
5 M
1 (d)
Find out the divergence and curl of the following function \[ \overline{A}=2xy \overline{ax} + (x^2z) \overline{ay}+z^3 \overline{az} \]
5 M
1 (e)
Explain skip distance with the formula.
5 M
2 (a)
Derive Maxwell's integral and point form equation for static fields.
10 M
2 (b)
Find electric field intensity E due to an infinite line charge carrying current I.
10 M
3 (a)
Define the polarization of wave. Explain different types of polarization.
10 M
3 (b)
Derive wave equations for free spacing for conducting media.
10 M
4 (a)
Explain in detail FDM method also state advantages and drawback of it.
10 M
4 (b)
State and derive the poynting theorem and describe the significance of each term.
10 M
5 (a)
Explain the significance of the term 'effective area of an antenna'. Derive the relationship between effective area and directivity of any antenna.
10 M
5 (b)
Explain the principle modes of operation of helical antenna and draw its radiation pattern.
10 M
Attempt any two:
6 (a)
Classify and explain different types of wave propagation.
10 M
6 (b)
Explain folded dipole antenna and its applications.
10 M
6 (c)
Explain following terms critical frequency, virtual height, maximum usable frequency.
10 M
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