User: govindkedar

govindkedar

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Electrical Engineering

Mumbai University (MU)

Top contributions by govindkedar

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6.7k

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A 9375 MHz uniform plane wave is propagating in polystyrene. If the amplitude of the electric field intensity is 20 V/m and the material is assume to be lossless.

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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5.2k

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In the region 0<r<0.5 m in cylindrical co-ordinates system, the current density is,

$\overline{J}=4.5e^{-2r}\hat{a_{z}}A/m^2$ and J=0 elsewhere.Use Ampere's Circuital Law to find H in all regions.

electromagnetic field and wave theory updated 3.2 years ago by shyamdon0508 • 20

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4.7k

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Planes z=0 and z=4 carry a current

$\overline{K}=-10\hat{a_{x}}\space A/m$ and

$\overline{K}=10\hat{a_{x}}\space A/m$ respectively. Find

$\overline{H}$ at points (i) P(1,1,1) and (ii) Q(0,-3,10).

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.9k

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Two point charge of equal mass m, charge Q are suspended at a common point by two threads of negligible mass and length l.

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.6k

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Express vector

$B=\frac{10}{r}\hat{a_{r}}+r\cos\theta\hat{a_{\theta}}+\hat{a_{\phi}}$ in Cartesian and cylindrical coordinates. Find B(-3,4,0) and

$B=(5, \frac{\pi}{2},-2)$ .

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.2k

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Determine whether the following potential fields satisfied Laplace equation or not? (i)

$V=4x^{2}+3y-4z^{2}$ (ii)

$V=r\sin\phi+z$

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.0k

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Evaluate both sides of the divergence theorem for the region r

$\leq$ 2, if

$G=5r \sin^{2}\theta\cos^{2}\phi\space\hat{a_{r}}$ .

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.0k

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Given that

$D=\frac{5r^{2}}{4}\hat{a_{r}}$

$c/m^{2}$ in spherical coordinates, evaluate both sides of the divergence theorem for the volume enclosed by r=4 m and

$\theta=\frac{\pi}{4}$ radian.

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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3.0k

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For a lossy dielectric material having

$\mu_{r}=1$ ,

$\epsilon_{r}=48$ and

$\sigma=20 s/m$ . Calculate the propagation constant at a frequency of 16 GHz.

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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2.9k

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The magnetic field intensity of a uniform plane wave in air is 20 A/m along the

$\hat{a_{y}}$ direction.The wave is propagating in the

$\hat{a_{z}}$ direction at a frequency of

$2\times 10^9 rad/sec$

electromagnetic field and wave theory updated 3.3 years ago by sagarkolekar ★ 11k

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